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|
|
Teledyne Post 1410 (Hemmi P281)
ISRM 14.07.02.31
|
Teledyne Post 1410 (Hemmi P281)
Made in Japan by Hemmi dcUC (March 1970)
Front Scale:
T Cot, K, A [ B, CI, C ] D, L, S Cos, ST ST
Back: Blank
Gifted by the Ed Millis Collection
|
Teledyne Post 1414 (Hemmi P280)
ISRM 22.10.13.03
|
Teledyne Post 1414 (Hemmi P280)
Made in Japan by Hemmi dcUC (March 1970)
Front Scale:
T Cot, K, A [ B, CI, C ] D, L, S Cos, ST ST
Back: LL1, LL2, LL3 (reverse slide to use these scales).
Gift of Leslie Dormamen of Wheaton, Illinois.
|
Teledyne Post 1420 (Hemmi P261)
REF
|
Teledyne Post 1420 (Hemmi P261)
Made in Japan by Hemmi (c1969)
Front Scale:
LL01,LL02, LL03, DF [ T CF, CIF, CI, C ] D, LL3, LL2, LL1
Back Scale:
T Cot, ST ST, K, A [ B, BI, CI, C ] D, L, P, S Cos
Archive - Scan by Steve Seale Collection
|
Teledyne Post 1422 LogLog (Hemmi P262)
ISRM 18.04.06.33
|
Teledyne Post 1422 LogLog (Hemmi P262)
Made in Japan by Hemmi dcTH (August 1969)
Front Scale:
LL01, LL02, LL03, DF [ CF,
CIF, CI, C ] D, LL3, LL2, LL1
Back Scale:
K, A R1, R2 [ T2 Cot2, T1 Cot1, ST ST, S Cos, C ] D, L, LL00, LL0
Gifted by the Leroy Hausler Collection Collection
|
Teledyne Post 1426 Business (Hemmi P452)
ISRM 10.12.12.01
|
Teledyne Post 1426 Business (Hemmi P452)
Made in Japan by Hemmi - date Code TH (Aug 1969)
Front Scale:
LL1,LL2, LL3, CR DF [ T CF, CIF, % CI, T C ] R D, L, 11in, 23cm
Back Scale:
ST, K, A [ B, BI, CI, C ] PQ D, P, S, T
Donated by Andrew Keller, Longmont, Colorado
|
Andrew (Andy) David Keller (1942-2010) had a long career as an ergonomist, industrial psychologist and human factors
engineer, working 17 years for IBM. He served in the US Army 1966-1968 and made design and safety
improvements for a personnel carrier which were adopted by the Army. Andy earned his
undergraduate degree from Mankato State University and his Masters degree from the
University of South Dakota. A strong community citizen, Andy served
in his church and was an active leader of the local chapter of the Society of Manufacturing Engineers.
Andy was a contributor of numerous slide rules to the International Slide Rule Museum which
can be found in the Pickett and Post galleries.
He died in 2010 and was survived by his wife Anne in Longmont, Colorado.
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Post 1441 PreWWII U.S. Blue No.1888 w/ magnifier
ISRM 14.07.02.74 |
Post 1441 PreWWII U.S. Blue No.1888 w/ magnifier
Made in Japan - Note little rivets on ends
Front Scale: 4in // A [ B, C ] D || 10cm
Back Scale: [S, L, T ]
Back Blank.
Gift Of Ed Millis, Dallas, Texas
|
Post 1441 w/ magnifier
P129
|
Post 1441 w/ magnifier
Made in Japan - No rivets on front
Front Scale:
4in // A [ B, C ] D || 10cm
Back Scale: [S, L, T ]
Back Blank.
|
Post 1441 Made In Occupied Japan (1945)
ISRM 14.07.02.75 |
Post 1441 Made In Occupied Japan 1945-1952
Made in Japan
Note: No PI gage mark at 3.14 on the A and B scales.
Front Scale: 4in // A [ B, CI, C ] D
Back Scale: [S, L, T ]
Back Blank.
Original Owner: Charles T. Holmes (Imprint on sleeve)
Gift Of Ed Millis, Dallas, Texas
|
Post 1441 No Post Logo dcBE 1951
ISRM 19.02.21.04 |
1441 No Post Logo dcBE 1951
Made in Japan by Sun Hemmi for Frederick Post.
Note: No PI gage mark at 3.14 on the A and B scales.
Front Scale: 4in // A [ B, CI, C ] D
Back Scale: [S, L, T ]
Back: Model number, logos.
Original owner: Bob Carter.
Gift Of Joy Payle of Alexandria, Virginia.
Joy Playle (1957-) was given this pocket slide rule while in high school, It was originally owned by her uncle Bob Carter, then was given to her brother, Steven K. Johnson. The leather sleeve bears Bob Carter and Steven K. Johnson's names.
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Post 1441 No Post Logo dcFF 1955
ISRM 14.07.02.76 |
1441 No Post Logo dcFF 1955
Made in Japan by Sun Hemmi for Frederick Post.
Front Scale: 4in // A [ B, CI, C ] D
Back Scale: [S, L, T ]
Back: Model number, logos.
Gift Of Ed Millis, Dallas, Texas
|
Post 1441 dcKF Post Logo
ISRM 17.12.17.13
|
Post 1441 dcKF Post Logo (Late model)
Made in Japan by Hemmi - Note: Post logo
Front Scale:
4in // A [ B, CI, C ] D
Back Scale: [S, L, T ]
Back Blank.
Gift Of James J. Pennel Collection
|
Post 1442 Dual 10in/5in Slide Rule Duplex
ISRM 12.06.23.03
|
Post 1442 Dual 10in/5in Slide Rule - c1945
Made in USA - Same as Charvoz-Roos SR-108
Front Scale:
K, A [ B, S, T, C ] D, DI
Back Scale:
Fraction-Decimal [ L L, C2, C1 ] D1, D2, D
Original owner: G.W. Schults (marked on both edges of stock).
 Manual 7.56Mb
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Post 1443 Basic Mannheim c1932-42
ISRM 20.04.01.061
|
Post 1443 Basic Mannheim (Same as Hemmi 34P)
Made in Japan by Hemmi c1932-42
Front Scale:
5 inch // A [ B, C ] D
Back Scale: Blank
Gift Of Philip Stanley Collection
|
Post 1444 (Pre-WWII
P122
|
Post 1444 (Pre-WWII)
Made in Japan
Front Scale:
5 inch // A [ B, CI, C ] D
Back Scale:
[ S, L, T ]
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Post 1444-D Commerce (1941-1945)
ISRM 14.01.10.02
|
Post 1444-D Commerce
Made in the U.S.A (Possibly by Charvoz Roos) - as a replacement for the Hemmi 1444 during WWII
Plastic laminated mahogany. Other version use bamboo, which did not warp over time, like this specimen.
Front Scale:
5 inch // A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Gift Of Bill Wehrend Collection, Palo Alto, California.
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Post 1444-D Commerce (1941-1945)
ISRM 18.03.20.06
|
Post 1444-D Commerce
Made in the U.S.A (Possibly by Charvoz Roos) - as a replacement for the Hemmi 1444 during WWII
Plastic laminated mahogany. Other version use bamboo, which did not warp over time, like this specimen.
Front Scale:
5 inch // A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Gift Of Robert N. Curry Collection.
Note: This specimen had become delaminarted over time, and when restored with epoxy, the top and lower stock scales were inadvertantly reversed. Compare with the correct orientation using ISRM 14.01.10.02
|
Post 1444K (Hemmi 34RK) MIOJ 1945-1952
ISRM 14.01.10.03
|
Post 1444K (Hemmi 34RK) MIOJ
Made in Occupied Japan - "Made In Occupied Japan" (MIOJ) is a term used for the time period from 1945 (after World War II) through April 25, 1952; it was during this time that the Allies "occupied" Japan.
Front Scale:
5 inch // A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Advertisement (on sleeve): Keyes Tank company, Provo, Utah.
Gift Of Bill Wehrend Collection, Palo Alto, California.
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Post 1444K 5in Mannheim dcCG
ISRM 21.08.13.08
|
Post 1444K 5in Mannheim dcCG (July 1952)
Made in Japan - Made 3 months after dropped the "Made In Occupied Japan" (MIOJ) tag requirements.
Front Scale:
5 inch // A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
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Post 1444K dcEF No Post Oval Logo 1959
ISRM 14.07.02.78
|
Post 1444K dcEF No Post Oval Logo 1959
Made in Japan - date code EF (June 1959)
Front Scale:
5 inch // A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Gift Of Ed Millis, Dallas, Texas
|
Post 1444K dcLD Post Logo (Hemmi on back)
ISRM 14.07.02.79
|
Post 1444K dcLD Post Logo (Hemmi on back)
Made in Japan - date code LD (April 1961)
Front Scale:
5 inch // A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Gift Of Ed Millis, Dallas, Texas
|
Post 1444K (Hemmi logo on front) 1964
ISRM 14.07.02.80
|
Post 1444K (Hemmi logo on front)
Made in Japan - date code OA (Jan 1964)
Front Scale:
5 inch // A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Original Owner: Charles Weeks (inside sleeve and scratched on back of stock)
Gift Of Ed Millis, Dallas, Texas
|
Post 1444K w/ Manifying Cursor
ISRM 14.01.03.06
|
Post 1444K w/ Manifying Cursor
Made in Japan - date code OD (April 1964)
Front Scale:
5 inch // A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Gift Of Phillip Rodley, Upper Hutt, New Zealand
|
Post 1444-P All-Plastic Pocket (No logo)
ISRM 22.07.06.85 |
Post 1444-P All-Plastic Pocket (No logo)
Made in USA by Charles Bruning, No Post logo on stock.
Front Scale:
12.5cm // A [ B, CI, C ] D, K \\ 5in
Back Scale: [S, L, T ]
Back promo: Associated Students Store, Montana State College, Bozeman, Montana.
Gift Of Cindy Tate of Bozeman, Montana. Victor B. Tate Collection.
|
Post 1444-P All-Plastic Pocket
ISRM 12.02.12.02 |
Post 1444-P All-Plastic Pocket
Made in USA by Charles Bruning, Preferred Utilities Promo on back
Front Scale:
12.5cm // A [ B, CI, C ] D, K \\ 5in
Back Scale: [S, L, T ]
Back Blank.
Note: Body same as Bruning 2401 |
Post 1445 5 in
P231
|
Post 1445 5 in Closed Simplex
Note: Pre-war production, the later 8 inch was given the 1445 model number
Made in Japan by "Sun" Hemmi
Front Scale: 5in // DF [ CF, CI, C ] D
Back Scale: [ S, L, T ]
Original Owner: Franklin James Sullivan, (1914-1992) born in
Wilmington, Delaware. Cost Analyst at Baldwin's outside of Philadelphia,
PA (1940-1945), then at Atlas Powder Company (Du Pont)/ICI. Had 3 daughters, one provided this
slide rule.
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Post 1445 8 in
ISRM 09.01.12.41
|
Post 1445 8 in Closed Simplex
Has same resolution as a 10 inch scale.
Made in Japan by Hemmi - Post Oval Logo on slide
Front Scale:
K, DF [ CF, CI, C ] D, A
Back Scale:
[ TI, L, SI ]
Donated by David Hecht Collection, Alexandria, Virginia
3 Ring Binder Sleeve
|
Post 1445 8 in Mannheim (1964)
ISRM 22.04.08.02
|
Post 1445 8 Mannheim dcOH Aug 1964
Has same resolution as a 10 inch scale.
Made in Japan by Hemmi - Post Oval Logo on slide, plastic cursor.
Front Scale:
K, DF [ CF, CI, C ] D, A
Back Scale:
[ TI, L, SI ]
Gift Of Penelope Anne Martell of San Jose, California. Belonged to her grandfather Milo Higgs Weston,
Milo Higgs Weston, Born in 2 Oct 1882 and died in 19 Nov 1964 Oakland, California. Worked as a Mechanical Engineer for the Southern Pacific Company,
Penelope included some old photos from the 1920's with the bio. The San Francisco Public Library has a
collection of color slide by Milo and his daughter Clara M. Weston Martell (b.1918 d.2001, Penelope's Mother,
Father:Gerald Martell) from 1939-1940. Son William H Weston (b1921).
other Daughter Charlotte E Weston (c1923). California San Francisco Public Library Collection
|
Post 1445P 8 in
ISRM 12.03.15.01
|
Post 1445P 8 in
Has same resolution as a 10 inch scale.
Made in Japan by Hemmi, duplex style construction plastic braces
Front Scale:
K, DF [ CF, CI, C ] D, A
Back Scale:
[ TI, L, SI ]
Back: Frederick Post, Chicago
Previous owner embossed a lamb on the braces
|
Post 1446 (Pre-WWII)
ISRM 11.12.15.02
|
Post 1446 (Pre-WWII)
Made in Japan - Bamboo
Front Scale:
A [ B, C ] D
Back Scale:
[ S, L, T ]
Back: Conversion Chart Variation 1 |
Post 1446 (Pre-WWII)
ISRM 19.10.27.10
|
Post 1446 (Pre-WWII)
Made in Japan - Bamboo
Front Scale:
A [ B, C ] D
Back Scale:
[ S, L, T ]
Back: Conversion Chart Variation 2
Gift of Jerome Drews Collection, of Kent, Washington
|
Post 1446-D Student Version 1 (cWWII)
ISRM 12.05.02.06
Expanded Family Biography of Wallace and Ruth Kane and daughter Ann Kilby (7.09MB)
See other slide rules from this talented family in the Circular, K&E, Pickett, Ricoh, and Post Galleries.
|
Post 1446-D Student Version 1 (cWWII)
Note wide molded Cursor design
Made in USA by Charvos-Roos
Front Scale:25cm || A [ B, CI, C ] D, K || 10in
Back Scale: [ S, L, T ] with Conversion Chart
Note: Note 'K' scale and linear scales on edge. Previous models made by Hemmi did not have them. Because the transitional delivery of the 1446 during WWII from other OEM's than Hemmi had the 'K' scale, once the war was over and shipping from Japan began again, the 'K' scale was added to the post-WWII Post 1446.
Owned by Wallace E. Kane, Kingston, Washington.
Donated by step-daughter Anne Kilby, Kingston, Washington
Wallace E. Kane (2005).
|
Wallace Kane, born in Wisconsin (1930), used this slide rule early in his education.He attended Lawrence College in Appelton, Wisconsin.
and later he enlisted in the Air Force. He was given duties as a musician, stationed at Keflavik, Iceland. He again pulled out his slide rule to
obtain his masters degree in physics from the University of Wisconsin in Madison, WI. After graduation he
worked at Lawrence Radiation Laboratory at Livermore (now LLNL) where he married fellow physicist Ruth Mary Farwell
Kilby (later: Moira Kane) (1921-2007) (Ruth also has a slide rule on display at ISRM). The couple relocated to the Puget Sound area
in 1973 to work as a physicist for the Navy at Keyport, Washington for the next 33 years where he retired at age 75.
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Post 1446-D Student Version 2 (cWWII)
ISRM 12.05.02.07
|
Post 1446-D Student Version 2 (cWWII)
Note narrow molded plastic Cursor design, same as Dietzgen 1767P
Made in USA by lawrence Engineering
Front Scale:25cm || A [ B, CI, C ] D, K || 10in
Back Scale: [ S, L, T ] with Conversion Chart
Note: Note 'K' scale. Previous models made by Hemmi did not have it. Because the transitional delivery of the 1446 during WWII from other OEM's than Hemmi had the 'K' scale, once the war was over and shipping from Japan began again, the 'K' scale was added to the post-WWII Post 1446.
Owned by Wallace E. Kane, Kingston, Washington. notice his name ink-stamped on the back of the rule.
Donated by step-daughter Anne Kilby, Kingston, Washington
See Wallace Kane biography above.
|
Post 1446 Made in Occupied Japan (post-WWII)
ISRM 09.01.12.42
|
Post 1446 Closed Simplex
Stock and Cursor marked "Made in Occupied Japan"
Front Scale:
A [ B, C ] D
Back Scale:
[ S, L, T ]
Back: Conversion Chart
Donated by David Hecht Collection, Alexandria, Virginia
|
Post 4" Pocket 1447
P174
|
Post 4" Pocket 1447 - Closed simplex
Made in Japan by Sun Hemmi
Front Scale: 4in // A [ B, C ] D || 10cm
Back Scale: [ S, L, T ]
Back: Stamped Sun Logo
Note: The 1447 model number evidently started out as a 4" pocket rule then
migrated into the 10" models that follow. The 4" rules became 1441's.
|
Frederick Post 1447 cWWII
ISRM 22.10.13.17
|
Frederick Post 1447 cWWII
Made in USA - Made by Charvoz-Roos
Same as Charvoz-Roos SR-105M and Dietzgen 1767P
Note: Scales are a plastic laminate over wood like the Hemmi but not bamboo
Front Scale:
A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Back: Conversion Chart
Gift of Leslie Dormamen, Wheraton, Illinois
 Lawrence Engineering sleeve.
|
Post 1447 MIOJ Post WWII
ISRM 18.04.06.48
|
Post 1447 MIOJ - post WWII
Made in Occupied Japan (no Post Logo)
Front Scale:
A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Back: Conversion Chart
Gift of Leroy Hausler Collection
|
Post 1447 (No Post Logo) 1952
ISRM 09.01.12.43
|
Post 1447 - Date Code CB on front face
Made in Japan - notation 'Sun Hemmi Japan' - No Post logo
Front Scale:
A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Back: Conversion Chart
Donated by David Hecht Collection, Alexandria, Virginia
|
Post 1447
ISRM 09.01.12.44
|
Post 1447 - Closed simplex
Made in Japan - Notation 'Sun Hemmi Japan', Oval Post Logo on upper stator
Front Scale:
A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Back: Conversion Chart
Instructions
5.87MB pdf
|
Abraham
Jacobson
|
Manual Donated by Anne Hollek, in memory of her Grandfather, Abraham (Jake) Jacobson. (1890-1986)
WWI and WWII veteran, man of faith and optimism, retired from the U.S. Post Office.
Inventor - US Patent# 2939147 issued 1960.
|
|
Post 1447 (1951)
ISRM 04.04.22.02
|
Post 1447 - date code dcBI
Made in Japan - Notation 'Hemmi Japan', Post Oval Logo On Slide
Front Scale:
A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Back: Conversion Chart
|
Original Owner (written on case): Jim Huste, who contacted the ISRM when he saw his slide rule
displayed at ISRM. Jim is the co-founder of
TransLanTech Sound in New York City, NY. Jim's radio career includes over 12 years as a DJ,
Music and Program Director. He has been Chief Engineer of nine radio stations including WOMC in
Detroit, WYNY and WOR in New York and Pirate Radio, Los Angeles before forming TransLanTech.
|
|
Post 1447 DP Student Projection Slide Rule
ISRM 23.01.02.02
|
Post 1447 DP Student Projection Slide Rule
Made in Japan by Sun Hemmi. Glass and aluminum construction with overlays.
Upper Scale:
A [ B, CI, C ] D, K
Lower Scale:
A [ S, L, T ] D, K
Gift of Michael Rosenborg of Canyonville, Oregon.
Michael is a retired High School teacher with a Master degree in mathematics. He re-gifted numerous slide rules which he received them
fron a USENET group a decade ago, for ISRM's school loaner program. He used this overhead projector slide rule to teach his classes.
Instructions and thin-film overlays to emphasize certain scales (there should be 5 overlays in the set but we only have 1, 3, 4 & 5).
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Post 1447P Mannheim Duplex (1968)
ISRM 14.01.10.16
|
Post 1447P Mannheim Duplex dcSI (Sep 1968)
Made in the U.S.A - An all-plastic version of the very popular plastic-laminated bamboo model Post 1447 used by many students.
Front Scale: A [ B, CI, C ] D, K
Back Scale: [ S, L, T ]
Gift Of Bill Wehrend Collection, Palo Alto, California.
 2.96MB PDF
|
Post 1449 Mannhiem
S334
|
Post 1449 Mannhiem - Closed simplex
Patent 22129, British patent 107562, Brevete S.G.D.G.
Made in Japan by Sun Hemmi
Front Scale:
10in // A [ B, C ] D || 28cm
Back Scale:
[ S, L, T ]
Back: Conversion Chart (faded) |
Post 1450 Versatrig (c1969)
ISRM 14.07.04.01
|
Post 1450 Versatrig - Duplex
Made in Japan by Hemmi, rebranded for Frederick Post.
Note: Upper stock shows "Frederick Post CO." and Lower stock has Date Code TD - April 1969
Front Scale:
L, A [ T T, SecT
ST, Cos S, C ] D, DI
Back Scale:
K, DF [ CF, CIF, CI, C ] D, R1, R2
Original Owner: Left in a house in Denver and was given to Kevin Owen by the new owner/neighbor when Kevin said he had a friend at ISRM.
|
Post 1450 Versatrig (1961)
REF S335
|
Post 1450 Versatrig - Duplex
Made in Japan by Hemmi, rebranded for Frederick Post.
Front Scale:
L, A [ T T, SecT ST,
Cos S, C ] D, DI
Back Scale:
K, DF [ CF, CIF, CI, C ] D, R1, R2
|
Post 1450 Versatrig Duplex (1971)
ISRM 14.01.10.13
|
Post 1450 Versatrig - Duplex dcVE (May 1971)
Made in Japan by Hemmi, rebranded for Frederick Post.
Note: Upper stock shows "Frederick Post". Company "CO." was dropped. Lower stock has Date Code. These are very subtle differences.
Front Scale:
L, A [ T T, SecT ST,
Cos S, C ] D, DI
Back Scale:
K, DF [ CF, CIF, CI, C ] D, R1, R2
Note: the above leather sleeve has shrunk to the point that it is difficult to put the slide rule back in it.
|
Post 1451 Pocket Versatrig Duplex (1968)
ISRM 22.09.13.37
|
Post 1451 Pocket Versatrig Duplex dcSF June 1968
Made in Japan by Hemmi. 6-5/8 inch long, leather sleeve w/clip
Front Scale:
L, A [ T T, SecT ST,
Cos S, C ] D, DI
Back Scale:
K, DF [ CF, CIF, CI, C ] D, R1, R2
Gifted by JoAnn Lynn of Washington D.C. Joel L. Lynn Collection.
Joel L. Lynn (1943-2022) was born in Philadelphia, PA to Edward and Frances Lynn. He graduated from Brown University after which he joined the Marines. Joel served
in Vietnam and was awarded the Purple Heart. He spent several years as a stockbroker before he decided to learn clock-making.
After school and apprenticeship, he opened his own clock repair business. He retired in 2016. Joel was an avid bicyclist,
motorcyclist, flyfisher, bird-watcher, tailor and sailor. His wife, JoAnn Lynn, gifted his collection to ISRM.in her husband's memory.
|
Frederick Post 1452 - US Patent 1/81722 (c1924)
REF S443
|
Frederick Post 1452 - Closed Simplex
Made in Germany by Koch, Huxhold & Hanneman - US Patent 1/81722
Note 5-slot stock with adjustmnent screws on edge
Front Scale:
10 // A [ B, CI, C ] D, K || 26cm
Back Scale:
[ S, L, T ]
Back: Table of Constants
 1924
 1925-32
Examples of KHH/Frederick Post cursors. Courtesy of Mike Sypher collection
|
Post 1452 C-type Cursor
S327
|
Post 1452 - Early C-Type Cursor
Made in Japan
Front Scale:
10 // A [ B, CI, C ] D, K || 25cm
Well: Extended Linear Scale:
Back Scale:
[ S, L, T ]
Back: Equivalents label.
Original Owner put "buy American" in well |
Post 1452 Universal c1940
ISRM 22.07.06.79
|
Post 1452 Universal c1940
Made in Japan
Front Scale:
10 // A [ B, CI, C ] D, K || 25cm
Well: Extended Linear Scale:
Back Scale:
[ S, L, T ]
Back: Equivalents label.
Original Owner scratched "RDL" on back and wrote trig identities on Equivalents label..
Gift Of Keith Godber of Burn Selby, UK.
|
Post 1452 Universal
S024
|
Post 1452 Universal - Closed Simplex
Made in Occupied Japan
Front Scale:
10 // A [ B, CI, C ] D, K || 25cm
Back Scale:
[ S, L, T ]
Back: Equivalents label. |
Frederick Post 1452-D Universal c1945
ISRM 21.05.28.01 [Replaced 14.07.02.48]
|
Frederick Post 1452-D Universal
Made in U.S.A by Acu-Rule Mfg. Festus, Missouri.
Front Scale:
10in // A [ B, CI, C ] D, K \\ 25cm
Back Scale:
[ S, L, T ]
Back: Conversion/Geometry Chart
Gift Of Keith Godber of Burn Selby, UK.
|
Frederick Post No.1452T c1935
ISRM 14.07.02.47
|
Frederick Post No.1452T
Made in Japan by Sun Hemmi. Pre-WWII with Quot/Prod aid labels
Front Scale:
10in // A [ B, CI, C ] D, K || 28cm
Back Scale:
[ S, L, T ]
Back: Missing Conversion Chart
Gift Of Ed Millis, Dallas, Texas.
|
Post 1452W Universal
ISRM 11.10.30.02
|
Post 1452W Universal - date code LA (Jan 1961)
Made in Japan by Sun Hemmi for Frederick Post
Front Scale:
10in // A [ B, CI, C ] D, K || 27cm
Back Scale:
[ S, L, T ]
Back: Conversion/Geometry Chart
Original Owner Initials: H.K.
|
Post 1452P All-Plastic
ISRM 22.07.06.82
|
Post 1452P - Wide Closed Simplex
Made in USA by Charles Bruning
Front Scale:
10in // A [ B, CI, C ] D, K \\ 25cm
Back Scale:
[ S, L, T ]
Back: Blank
Original Owner Jack Sloat (on sleeve)
Gift Of Cindy Tate of Bozeman, Montana. Victor B. Tate Collection.
|
Post 1452P
S257
|
Post 1452P - Wide Closed Simplex
Made in USA by Charles Bruning
Front Scale:
10in // A [ B, CI, C ] D, K \\ 25cm
Back Scale:
[ S, L, T ]
Back: Conversion |
Post 1457 Mannheim Trig
S076
|
Post 1457 Mannheim Trig - Plastic Braces - c1945
Made in U.S.A
Front Scale:
T, DF [ CF, CIF, CI, C ] D, S. ST
Back Scale:
Conversions [ B, K, L, C ] Trig Identities
|
Post 1457 Mannheim Trig
ISRM 18.04.06.55
|
Post 1457 Mannheim Trig - Metal Braces - c1946
Made in U.S.A
Front Scale:
T Cot, DF [ CF, CIF, CI, C ] D, S Cos. ST
Back Scale:
Conversions [ B, K, L, C ] Trig Identities
Gift Of Leroy Hausler Collection
|
Post 1458 Duplex (Sun Hemmi 150)
ISRM 21.01.18.01
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Post 1458 Duplex (Sun Hemmi 150)
Made in Japan by Sun Hemmi
Front Scale:
K, A [ B, S, T, CI ] D, L
Back Scale:
DF [ CF, CIF, C ] D
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Post 1459 for Electrical Engineer
ISRM 21.02.21.01
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Post 1459 for Electrical Engineer (early Hemmi 153)
Made in Japan by Hemmi for The Frederick Post Co.
Front Scale:
K, A [ B, CI, C ] D, T
Back Scale:
Theta, Re, P [ Q, Q', C ] LL3, LL2, LL1
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Post 1460 Versalog (also Marked Hemmi 258)
ISRM 09.01.12.46
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Post 1460 Versalog (also Marked Hemmi 258), dcBA
Made in Japan by Hemmi - Date code BA - January 1951
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Note: Cos label printed in Black.
This is the first and only
version where Hemmi 258 appears on a Post Versalog. The case only has Hemmi on it.
Donated by David Hecht, Alexandria, VA
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Post 1460 Versalog - no date code (c1951)
ISRM 20.06.30.01
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Post 1460 Versalog - no date code (c1951)
Made in Japan by Hemmi for Frederick Post Company.
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Note: Cos label printed in Black
First version of the Post Versalog with Post logo on the leather sleeve.
Original Owner: Paul_J_Olshefski (1934 -2010)
Gifted by his son, David Olshefski
Paul was born and raised in Mount Carmel, PA and enlisted in the Navy in 1945. He served on the USS Winslow as a Senior Petty Officer in charge of the radar room in the combat information center until 1948. After the military, Paul attended Pennsylvania State and Bucknell Universities, and earned a BS in engineering from Pacific International College of Arts and Sciences in 1962. Worked at Merck & Co. (1959-1963) where he met his wife Marion, and later as a consultant for Monsanto (1964), His career with IBM spanned 26 years (1964-1990). Paul was an innovator in silicon wafer production and wrote many papers which gained him an international reputation and awards. He performed energy audits for IBM as the site Energy Coordinator, in the early 1970's.
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Post 1460 Versalog - dcBD (April 1951)
ISRM 18.04.06.46
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Post 1460 Versalog - dcBD
Made in Japan by Hemmi - Date code BA - March 1951
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Note: Cos label printed in Black
. This is the first
version of the Post Versalogwith Post logo on the leather sleeve on it.
Original Owner: Bill Richardson (in sleeve window)
Gift Of Leroy Hausler Collection
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Post 1460 Versalog
ISRM 11.08.28.01
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Retail Box label - Price in 1953 = $26.25,
DAU Bookstore (Defense Acquisition University, part of the Department of
Defense)
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Post 1460 Versalog - No S/N
Made in Japan by Hemmi - Date code DC - September 1952
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Note: Cos label printed in Black
Donated by Enn Veskimets, Lutherville, Maryland.
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Enn Veskismets obtained this slide rule in 1952 while attending Ballard High School in Seattle, Washington.
He attended the University of Washington in Seattleand graduated with a degree in Civil Engineering in 1959. He
enlisted in the U.S. Army and worked at the Aberdeen Proving Grounds (1959-1962), and after an honorable disharge,
continued to work with the Army Corps of Engineers in Baltimore, Maryland from 1962-1992. He retired as Chief Engineer (P.E),
in the Design Branch. Enn said he would hide his slide rule in his father medical bag in high school as if you hung it on your belt,
you would be called a geek. He later acquired a pocket version of the 1460, the Post 1461, in 1957,
also shown in this gallery.
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Post 1460 Versalog (1954 Black Cos)
ISRM 13.10.22.02
Stephen Joseph Rosty (1921-2012).was born in Passaic, NJ to Stephen and Rose (Mikulski) Rosty. During WWII Stephen served in the US Navy aboard the USS Martin. In 1955 Stephen married Frances M. Wozniak, they were married for 56 years until her death on Oct 31, 2011. Stephen received his Masters Degree in Electrical Engineering from the Newark College of Engineering, Newark, NJ. He worked for Burroughs and Bendix Aviation Co., and then Singer-Kearfott Corp, Little Falls, NJ. He had two daughters, Rosanne Rosty and Roberta Rosty.
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Post 1460 Versalog - No S/N
Made in Japan by Hemmi - Date code EB - Feb 1954
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Note: Cos label printed in Black
Original owner: Stephen R. Rosty, of Saddle Brook, New Jersey. Name marked on case and on stock
Gift of Roberta Rosty, Saddle Brook, New Jersey
This slide rule, and another in the Frederick Post Gallery, belonged to Roberta's Father, Stephen Joseph Rosty (see biography on left).
Roberta also worked in a technical field as she has 2 Patents: number 4,410,393 issued October 18, 1983Preparation of steel surfaces for adhesive bonding by etching with H.sub.3 PO.sub.4 -polyhydric alcohol mixture 4,835,016 Mar 28, 1988 Adhesive bonding. Both for The United States of America as represented by the Secretary of the Army.
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Post 1460 Versalog dcFF (1955 Black Cos) No SN
ISRM 18.03.01.01
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Post 1460 Versalog dcFF no SN
Made in Japan by Hemmi - Date code FF - June 1955
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Note: Cos label printed in Black
Original owner, Dean Edmonds Jr. on Sleeve label, In itials "DKE" burned into stock
Donated by Robert Edmonds of Broomfield, Colorado in memory of his father.
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Dean Keith Edmonds (1924-2011) was born in Loveland, Colorado. and raised in multiple communities around the state. Dean worked on the road crew for the National Park Service and for several years as an auto mechanic before putting himself through school by owning and operating his own sheet metal business. He earned his Bachelors (1960 Mechanical Engineering) and Masters (1966 Chemical Engineering) Degrees from the University of Colorado and became a Certified Professional Engineer. He worked as a Civil Engineer at the National Bureau of Standards in Boulder and later for the Department of Defense at Fort Carson in Colorado Springs, Wiesbaden Army Base (West Germany), Fort Dix (New Jersey) and Fort Belvoir (Virginia). He used this slide rule and his Post Versalog in his career. He loved to tinker with his 1972 MGB and wrote a two volume book Adam's Holy Mountain and the Four Rivers of Eden 1998 by Dean K. Edmonds, available on Amazon.
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Post 1460 Versalog (1957 Black Cos)
ISRM 12.06.24.21
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Post 1460 Versalog - sn826144
Made in Japan by Hemmi - Date code HF - June 1957
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Note: Cos label printed in Black
Original owner, case marked with 3 separate owners (unreadable)
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Donated by the Huang Collection..
The collector, who prefers to remain anonymous, obtained a B.S. degree in Physics from Taiwan's National Tsing Hua University in 1971. His love for computation has encouraged him to build a collection of slide rules, HP and TI calculators, as well as abaci, many displayed at ISRM.
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S078 Post 1460C Versalog
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Post 1460C Versalog - S/N 020522
Made in Japan by Hemmi - Date code JK - Nov 1959
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF, CI, C ] D, R1, R2, L
Note: Cos label printed in Blue
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Post 1460 Versalog 124775 (1963 Green Cos)
ISRM 18.12.30.01
This was one of Peter D. Eickenberry Sr personal slide rules used in his career. Look for more specimens of his collection in the other ISRM galleries.
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Post 1460 Versalog - sn124775
Made in Japan by Hemmi - Date code KL - Dec 1960
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF,
CI, C ] D, R1, R2, L
Note: Cos label printed in Green
Gifted by Peter D. Eickenberry Sr. collection of Olympia, Washington
Peter D. Eickenberry Sr. writes "The Post Versalog 1460 was my personal slide rule that I acquired from another student while I was in high school 1961-1964. I used it while I was at the University of Michigan (taking engineering), while I worked in the engineering department at Lockheed Shipbuilding, and after joining the Coast Guard, during my Coast Guard career. (34 years) I only stopped using it when affordable had held scientific calculators became readily available. However it had a career before mine. The person I bought it from said he got it from his father who had used it for many years. Some of the others I used occasionally but most were purchased because I realized that slide rules were going to be obsolete in the age of desktop computers that could do the math much faster and much more accurately.".
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Post 1460 Versalog (1963 Green Cos)
ISRM 17.12.17.01
This was one of James J. Pennell's personal slide rules used in his career. His family writes: "Our father used and collected slide rules consistently throughout his life acquiring them from friends and at yard sales. It is an honor to donate his collection to the International Slide Rule Museum." Look for more specimens of his collection in the other ISRM galleries.
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Post 1460 Versalog - S/N 403986
Made in Japan by Hemmi - Date code NC - March 1963
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF,
CI, C ] D, R1, R2, L
Note: Cos label printed in Green
Original owner: James J. Pennell. Gifted by his daughter, Brenda Barnes, and son, Barry Pennell
of Apex, North Carolina.
Jim was born in Wilkes County North Carolina, on June 9, 1927. His parents were Charles and Maggie Ellis Pennell,
and he was the youngest of three sons. He was drafted twice serving in the Navy for eleven months during WWII and
in the Air Force during the Korean War. While in the Air Force he was stationed in Japan for two years and
developed a deep appreciation of that country and its culture.
After leaving the military he went to work for the Federal Aviation Administration as an electronics technician
caring for the navigation aids at Raleigh-Durham Airport for 25 years. He was a long-time committed member of
Greenwood Forest Baptist Church where he proudly served on the properties committee for many years. He was an
avid bowler and enjoyed golf and working on the home in Cary he lived in for 55 years.
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Post 1460 Versalog (1965 Green Cos)
ISRM 19.10.23.01
The younger picture was 1942. Carl was working at the War Department at Wright Field at the Aircraft Radio Laboratory. He was paid $3600/year for a 48 hour week, as part of the Antioch University Work Study Program. He returned to Antioch College to .graduate with a BS in Mathematics. He was drafted into the Navy in 1943, Went to the Radio Technician Program and served in the battle of Guam in WWII. His sons, Les and Keith, say that their dad told them that the Atomic bombs dropped on Japan saved his life.
The second B/W picture was taken in 1959 as founder and president of Wiley Electronics specializing in radar and sundry microwave devices.
The first color photo is Carl on radar range (Los Angeles) using commercial CT scanner to reconstruct images using Fourier transforms. The 2nd color photo is Carl receiving the IEEE Pioneer Award a few weeks before his passing in 1985 from pulmonary fibrosis. The Pioneer Award has been given annually since 1949 to an individual or team for "contributions significant to bringing into being systems that are still in existence today."
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Post 1460 Versalog - sn607972
Made in Japan by Hemmi - Date code PD - April 1965
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF,
CI, C ] D, R1, R2, L
Note: Cos label printed in Green
Original owner: Carl A. Wiley. Gifted by his sons, Keith and Les Wiley
of California.
1964 US Patent 3,196,436; Full Patent PDF, The Clipper Ships of Space.(PDF), Carl's name on sleeve
Carl Atwood Wiley 1918-1985
Holder of 22 Patents involving Radar, Microwave Radiometry, Antennas and Piezo
Electric Devices. Elected Fellow of the IEEE. Carl discovered the piezo electric properties
of Barium Titanate crystals in 1942. Barium Titanate is widely used in phonograph pickup
transducers, acoustic door openers etc. Carl holds the original patent on Synthetic
Aperture Radar (SAR). "Pulsed Doppler Radar Methods and Means" previously secret
eventually awarded to Carl in 1964. Carl along with Dr Alan Love developed the first
spherical microwave radar mapping antennas for the Army. Carl then proposed their use
In radio astronomy. Carl's early spherical antenna proposals eventually became today's
Arecibo Radio Telescope. In May 1951, "Astounding Science Fiction Stories" published
an article, The Clipper Ships of Space. (PDF) This article written by, Carl A Wiley under the
pseudonym, Russel Saunders was the first to seriously propose spaceships powered by
what we now call Solar Sails. Carl's important insight was that minuscule accelerations
applied continuously over an extended period of time could, like interest accumulating in
a bank account, eventually result in driving the Solar Sail to high velocities. Carl's math
proved the feasibility of his idea, he then proposed how to build a solar sail vehicle and
showed methods how to navigate the Solar Sail around the solar system. After years of
hard work and private support, Ann Druyan, Carl Sagan's wife, and the The Planetary
Society of Pasadena CA successfully launched LightSail 2 on 23 July 2019. LightSail2, a
working, proof of concept solar sail demonstrated that Solar Sails have a future in
spaceflight. See more on Carl at Wikipedia
Read In Memory of Carl A. Wiley(PDF) by his associate and friend Allan Love
.
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Post 1460 Versalog (1966 Green Cos)
ISRM 21.10.06.01 (Replaced 12.06.24.22)
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Post 1460 Versalog - S/N 711599
Made in Japan by Hemmi - Date code QF - July 1966
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF,
CI, C ] D, R1, R2, L
Note: Cos label printed in Green
Gifted by Ron Pensel, US Navy Vietnam Veteran (1969-1972)
Click photo for More about Ron Pensle's slide rule.
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Post 1460 Versalog (1969 Green Cos)
ISRM 14.06.11.01
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Post 1460 Versalog - S/N 831572
Made in Japan by Hemmi - No Date. Purchased in 1969 for $18.30USD.
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, DF [ CF, CIF,
CI, C ] D, R1, R2, L
Note: Cos label printed in Green
Gifted by Bill Geren of Dallas, Texas..
Bill writes: "I bought it new in 1969 when I first started taking Engineering at the
University of Texas at Arlington. It didn't get used much at all since
I changed my major. Shortly after that, as you know, electronic
calculators were starting to become available so the slide rule took
it's 40+ year home in the closet". This pristine slide rule was kept in its original retail box.
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Post 1460 Versalog II (1970) with "A" scale
ISRM 21.08.12.13
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Post 1460 Versalog II (1970) with "A" scale
Made in Japan by Hemmi - dcUL (Dec1970) no serial number
Note: Added "A" scale, last year before calling the 1460 "Versalog II".
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL0, LL/0, K, A, DF [ CF, CIF,
CI, C ] D, R1, R2, L
Note: Cos label printed in Green
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Post 1460 Versalog II - USAFA Issued
REF
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Post 1460 Versalog II
Made in Japan by Hemmi - Date code TG - July, 1969
Front Scale:
logX, LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL/00, K, A, DF [ CF, CIF,
CI, C ] D, R1, R2, LL0
Donated by K.C. Schwarz, who used this at the U.S. Air Force Academy (CS-29) in Colorado Springs, CO. K.C. graduated in 1975 after commanding the Honor Squadron. He served as a C-9A medical evacuation pilot and aircraft reliability engineer during his years in the Air Force. Later, working for Northrop, he led the support simulation and modeling group on the B-2 (Stealth) Bomber program. In 1990 K.C. moved to Colorado and served at Ball Aerospace for several years. He later moved into investment banking and then began working with startup and early-stage companies. He has founded several high tech and aerospace companies in the systems integration and satellite surveillance markets.
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Post 1460 Versalog II (1971)
ISRM 19.01.31.01.X
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Post 1460 Versalog II
Made in Japan by Hemmi - Date code VE - June, 1971
Front Scale:
logX, LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL/00, K, A, DF [ CF, CIF,
CI, C ] D, R1, R2, LL0
Donated by Terrence Dunn,of Bakersfield, CA..
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Post 1461 Electronic (1936)
ISRM 09.01.12.47
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Post 1461 Electronic
Made in Japan by Hemmi for Frederick Post Co.- 1936
Note: Scale labels use Times Roman font.
Front Scale:
L, K, A [ B, CI, C ] D, T(tau), G(theta)
Back Scale:
Theta, R(theta), P [ Q, QI, C ] LL3, LL2, LL1
Donated by David Hecht, Alexandria, VA
Note that this is a rare slide rule as this model number was later used to identify the pocket 1461 Versalog which became a companion to the 1460 Versalog.
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Post 1461 Versalog (Pocket)
Made in Japan by Hemmi - Date code HK - November 1957
Front Scale:
LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL/0, LL/00, K, DF [ CF,
CIF, CI, C ] D, R1, R2, L
Note 1: Cos label printed in Black. No 'A' or 'B' scale.
Note 2: 'Post' oval logo appears only on upper stock opposite of "Sun" Hemmi and Frederick Post markings
Donated by Enn Veskimets, Lutherville, Maryland.
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Post 1461 Versalog II (Pocket) 1969
ISRM 09.01.12.45
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Post 1461 Versalog II (Pocket) dcTG
Made in Japan by Hemmi - Date code TG - July 1969, Modified Scales & Labels
Front Scale:
L, LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL/0, K, A, DF [ CF,
CIF, CI, C ] D, R1, R2, L00
Note: Cos label printed in Green
Note 1: This Versalog II has an 'A' scale but no 'B' scale. The original Versalogs 1460 and 1461 have neither.
Note 2: 'Post' oval logo appears only on one sides of the slide. The extra space is used for formula labels.
Donated by David Hecht, Alexandria, Virginia
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Frederick Post No.1462 Duplex c1945
ISRM 14.01.10.12
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Frederick Post No.1462 Duplex c1945
Made in U.S.A. - Note: White Plastic Ends
Front Scale:
LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
Back Scale:
T, DF [ CF, CIF, CI, C ] D, S, T
Gift Of Bill Wehrend Collection, Palo Alto, California.
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S211 Post 1462
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Post 1462 - Duplex
Made in U.S.A. - Note: Black Plastic Ends
Front Scale:
LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
Back Scale:
T, DF [ CF, CIF, CI, C ] D, S, T
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Post 1462
ISRM 10.12.12.01
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Post 1462 - Duplex
Made in U.S.A. - Note: Metal Ends
Front Scale:
LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
Back Scale:
T, DF [ CF, CIF, CI, C ] D, S, T
Donated by the estate of James Robert Weber, Lafayette, Colorado
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James Robert Weber (1928-2010) Served in the U.S. Air Force, then joined Martin Marietta
in Colorado and worked on the ICBM project. In 1965 he was hired on as pilot and technician for National Center of
Atmospheric Research (NCAR) flew many flights using a Cessna 172 and a T-28 into storms as part
of the National Hail Research Experiment (NHRE), and later the Microscale Meteorology Division.
Later James was responsible for maintaining NCAR's link to the University Satellite Network which was
connected to the Woods Hole Oceanographic Institution and other U.S. research centers. He
retired from NCAR in 1993 after 28 years of service. He is survived by his wife Lois Anne.
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Post 1462H PostTrig
REF
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Post 1462H - PostTrig
Made in Occupied Japan by Hemmi. MIOJ marking were from August 1945 until April 28, 1952
Front Scale:
LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
Back Scale:
T, DF [ CF, CIF, CI, C ] D, S, T
Currently owned by John Roe, Bill roe's son
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Owned by William S. Roe who help found the National Association of Rocketry in 1958. This slide rule can
be seen doing Altitude Redustion in an eary NAR 16mm promotional movie. The hands in the picture belong to
Bill's son, John Roe, who helped provide the scan. Bill used this slide rule in Japan when he was stationed there.
Bill was a great influence and father figure to many young rocketeers of that era including the curator of ISRM.
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Post 1462H PostTrig MIOJ c1952
ISRM 18.04.06.06
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Post 1462H PostTrig MIOJ c1952
Made in Occupied Japan by Hemmi. MIOJ marking were from August 1945 until April 28, 1952
Front Scale:
LL0, LL00, A [ B, K, L, C ] LL3, LL2, LL1
Back Scale:
T, DF [ CF, CIF, CI, C ] D, S, T
Original Owner: R.E. Chandler (on sleeve flap)
Gift of Leroy Hausler Collection
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Dr. Richard E. Chandler, NCSU Professor (Emeritus) of Mathematics, born in Ft. Pierce, FL in 1937 got his doctorate from Florida State University in 1963 and came to North Carolina State University in 1965. He was the department's first topologist. He wrote several books and many research papers in Topology and Computer Graphics and supervised 4 Ph.D. students. Chandler served as Graduate Administrator from 1973 until 1985. He received an Outstanding Teacher Award in 1993. Chandler took over the "Mathematics Magic Show" from Robert Silber and gave a large number of performances throughout the State. He retired in 2002. Since his retirement Chandler has collaborated on two booklets on North Carolina Fossils.
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Frederick Post 1464 Ritow Manifold (1925)
REF http://srtco.us |
Frederick Post 1464 Ritow Manifold (1925)
Made in Germany by Dennert & Pape
US Patent 1,405,333, 1/31/22. issued to Herman Ritow of Chicago
Front Scales (wrapped):
S, A [T, I, C ] D, R
Back Scales
Fred Astren Photo on http://srtco.us
More information on Ritow Type Slide Rules
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Post Binary 8inch Circular Slide Rule (Model 1464)
ISRM 18.09.17.20 |
Post Binary 8inch Circular Slide Rule (Model 1464) 8in 21.1cm dia.
Made in USA - Gilson Slide Rule Co.
Front Scales:
C,CI,A,K,Log,LL1,LL2,LL3,LL4,Binary, Fraction,Drill,Thread, Millimeter
Back Scales:
Degrees, S, T, Degrees, S, T, Degrees, S, T, Fractions
Gift of Donald J. Bachelor Collection
Manual 0.98Mb
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Post 1490 Frequency Response for Control Engineers
ISRM 21.08.06.02
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Post 1490 - Frequency Response for Control Engineers dcHE
Made in Japan by Sun Hemmi (same as Hemmi 301) dcHE (May, 1957)
Note: This slide rule came with 4 cursors. The transparent insert is for freq.resp. calculations.
Front Scale:: 10 in./ Τ, ω [ CI, f, P, C ] D, A, db || 27 cm.
Back Scale: [ Θ, g', g ]
Original Owner: Arthur M. Darbie 1930-2021
Gift of the Darbie family, Cincinnati, Ohio.
Arthur M. Darbie taught Radar Circuitry Systems in the Army, worked at Bell Labs, NJ and then Harrison Labs, NJ before embarking on a long career with Hewlett Packard retiring as Fort Collins, Colorado site manager in 1991. Holder of two patents in Electronic Circuitry. Contributing author on numerous technical journals and publications on feedback, and the design and application of regulated DC Power Supplies. BS and MS in Electrical Engineering, New Jersey Institute of Technology (NJIT). Donated by the Darbie family.
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Post 1491 - For Chemical Engineer
REF |
Post 1491 - For Chemical Engineer
Made in Japan by Sun Hemmi (same as Hemmi 257)
Front Scale:
L, A, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Back Scale:
Ch(A~M), Ch(N~Z), M1 Xw [ M2 X, Temp(F,C,K)°, F(t) ] Kg/cm2,
P mmHg Atm, P inHgVac Lb/in2 Gage , tω °C
Archive - Steve Seale Collection
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Teledyne Post 44BA-470 (1969)
ISRM 18.07.26.06
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Teledyne Post 44BA-470 (1969)
Made in Japan - Notation 'Hemmi Japan', Teledyne Logo on stock
Note: New construction design with plastic and bamboo stock
Front Scale:
A [ B, CI, C ] D, K
Back Scale:
[ S, L, T ]
Back: Conversion Chart
Gifted by William (Bill) Boas of Wray, Colorado.
William (Bill) Augustus Boas, is an independent journalist and writer. Bill grew up in the Bronz, New York and served in the U.S. Navy from 1962 to 1966, on ships with the 2nd and 6th Fleets, and under Commander, Fleet
Air Mediterranean at Naples, Italy. He worked as the Business Administrator of the American Academy of Dramatics
Arts in 1968, and a press aide for a W. Averell Harriman political cause in 1969. He has been a correspondent for The Wall Street Journal, Business Week magazine, and United Press International as well as numerous regional general interest and trade
periodicals.
For his writing, he received an Honorary Citizenship of the State of Texas from Governor Price Daniel in 1961; a
George Washington Honor Medal from the Freedom's Foundation at Valley Forge in 1964; and the 1982
Morton Margolin Prize for Distinguished Business Reporting from the Morton Margolin Trust administered by the
College of Business Administration of the University of Denver. One of his interests was collecting slide rules, .
He now lives in Wray, Colorado engaged in other writing and photography projects
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Teledyne Post 44CH-500 (1972)
ISRM 22.07.06.78
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Teledyne Post 44CH-500 (1972)
Made in Japan - Notation 'Hemmi Japan', Teledyne Logo on stock
Front Scale:
A [ T T, SecT ST, Cos S, C ] D, DI
Back Scale:
K, DF [ CF, CIF, CI, C ] D, R1, R2
Gifted by Cindy Tate of Bozeman, Montana. Victor B. tate collection.
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Teledyne Post 44CA-600 Versalog II
ISRM 18.04.06.14
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Teledyne Post 44CA-600 Versalog II
Made in Japan by Hemmi
Front Scale:
L, LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL/00, K, A, DF [ CF, CIF,
CI, C ] D, R1, R2, LL0
Note: The Versalog II has an A scale but the original Versalog does not.
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Teledyne Post 44DA-610 Versalog II
P087
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Teledyne Post 44DA-610 Versalog II
Made in Japan by Hemmi
Front Scale:
L, LL/1, LL/2,
LL/3 [ T/T,
SecT/ST, Cos/S, C ] D, LL3, LL2, LL1
Back Scale:
LL/00, K, A, DF [ CF, CIF,
CI, C ] D, R1, R2, LL0
Note: The Versalog II has an A scale but the original Versalog does not.
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3 Ring Binder Sleeve
1924
1925-32
