Herman van Herwijnen's Slide Rule Catalogue at ISRM

- NO -
178 Items

Index A B C DE FG HI JK L M NO PQ R S T UVWXYZ
Image REF# Make & Model DESCRIPTION

3448
Napier set of blocks
Generic blocks of all wood

5285
National Foundation Depth Calculator
Log/tech slide chart of plastic
217x108x1.6 mm (1992)
Front Scales: See Picture
Back Scales: See Picture

1447
Natrilix Cardiovascular Risc Calculator
Medical disc of plastic

2333
Nautical Scale of Power and Speed
Nautical slide rule of all wood
360x94x11 mm
Front Scales: 1 [ 2 3 ] 4
Back Scales: 5 [ 6 ] 7

2676
Nautical Tek. no. 3460 116
Nautical slide rule of perspex/aluminium
322x54x16 mm

1741
Navigational Computer MK. III H REF. no. 6B / 250
Aviation disc of metal/bakelite
135x155x26 mm

3529
Navy Department Drift Angle Computer Device 1-CH-1
Aviation disc of plastic
110x2 mm

2859
NBC voorspellingsset NSN 6665 13 108 7501 and 6665 13 108 7097
By Memento NBC, log/tech disc of plastic
102x2.5 mm (1973)

5306
Nederlandse Benzolmaatschappij
By NBM, technical slide chart of cardboard
155x176x1.2 mm
Front Scales: See Picture
Back Scales: See Picture

3850
Neolt 25 R Bergamo Italy Rietz
Generic slide rule of wood/plastic
292x39.5x12 mm
Front Scales: 27cm // K A [ B CI C ] D L || 1:25
Back Scales: [ S S&T T ]

3887
Neolt TS 10
Generic slide rule of plastic
120.5x25x2.5 mm
Front Scales: 10cm // A [ B C ] D

1748
Nestler
Generic slide rule of plastic
148x30.8x3.5 mm
Front Scales: 13cm // K A [ B CI C ] D cosø
Back Scales: [ S ST T ]

2812
Nestler
Generic slide rule of wood/celluloid
275x31x9 mm
Front Scales: 10inch // A [ B C ] D
Well: 27cm #28-53cm#
Back Scales: [ S L T ]

1892
Nestler 0114
Generic slide rule of plastic
148x31x3.5 mm
Front Scales: 5inch // A [ B C ] D

1893
Nestler 0115
Generic slide rule of Anagit
149x31.5x3.6 mm
Front Scales: 13cm / A [ B C ] D
Back Scales: [ S ST T ]

1896
Nestler 0121 Darmstadt
Generic slide rule of Anagit
153x37.5x4.4 mm
Front Scales: 13cm // P K A [ B CI C ] D S T
Back Scales: [ LL1 LL2 LL3 ]

1904
Nestler 0123 Rietz
Generic slide rule of Anagit
149x30.5x3.5 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

1915
Nestler 0127 International
Generic slide rule of Anagit
153x37.5x4.3 mm
Front Scales: 13cm // Fraction of 1 inch 32nd mm A [ B CI C ] D Factors
Back Scales: [ °F °C ]

1922
Nestler 0137 Elektro
Electrical slide rule of Anagit
154x37.5x4.5 mm
Front Scales: 13cm / Dynamo Motor Volt A = B CI C = D cosø
Back Scales: [ < sin lg < tg ]

1924
Nestler 0140 Kaufmann
Generic slide chart of Anagit (plastic)
148x30x3 mm
Front Scales: 13cm // DF [ CF CI C ] D

5499
Nestler 0149 Stahlbeton - Maarschalk. Front side only
Generic slide rule of Anagit (Plastic)

5487
Nestler 0202 Multimath - Duplex Instruction rule for 0289 and 0292
Generic slide rule of wood

5493
Nestler 0203 Alpha Instruction rule for 0251
Generic slide rule of wood

5488
Nestler 0204 Polymath - Duplex Instruction rule for 0291
Generic slide rule of wood

5491
Nestler 0205 Darmstadt Instruction rule for Darmstad models. Front side only
Generic slide rule of wood

5492
Nestler 0206 Rietz Instruction rule for Rietz models. Front side only
Generic slide rule of wood

5490
Nestler 0207 Kaufman Instruction rule for 0140, 0401 and 0409. Front side only
Generic slide rule of wood

5489
Nestler 0208 Delta Instruction rule for 0252, 0253 and 0254. Front side only
Generic slide rule of wood

1928
Nestler 0210 Darmstadt
Generic slide rule of wood/plastic
296x38x11.8 mm
Front Scales: 27cm lg // K A [ B CI C ] D P S T
Back Scales: [ LL1 LL2 LL3 ]

1935
Nestler 0218 Darmstadt
Generic slide rule of Anagit
295x49x8 mm (1962)
Front Scales: 27cm // L K A [ B CI C ] D P S T
Back Scales: [ LL1 LL2 LL3 ]

1940
Nestler 0235 Rietz
Generic slide rule of wood/plastic
578x43.5x13.9 mm
Front Scales: 56cm // K A [ B CI C ] D L || 21inch
Back Scales: [ S S&T T =

1942
Nestler 0238 Rietz
Generic slide rule of Anagit
293x39x7.5 mm
Front Scales: 27cm // K A [ B CI C ] D L
Back Scales: [ sin sin.tan tan ]

1945
Nestler 0239 Rietz
Generic slide rule of Anagit
295x38x6 mm
Front Scales: 27cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

1954
Nestler 0249 Elemathic
Generic slide rule of plastic
300x40x4 mm
Front Scales: K A [ B R C ] D L
Back Scales: 27cm < sin < sin.tg < tg 10inch

1955
Nestler 0250 Multimathic
Generic slide rule of plastic
299x40x4 mm
Front Scales: K A [ B R C ] D L
Back Scales: 27cm < sin < sin.tg < tg LL2 LL3 10inch

1956
Nestler 0251 Alpha
Generic slide rule of Anagit
300x40x4 mm
Front Scales: K A [ B CI C ] D L
Back Scales: S ST T

1958
Nestler 0252 Beta
Generic slide rule of plastic
320x40x10 mm
Front Scales: K A [ B CI C ] D L
Back Scales: M DF [ CF CIF CI C ] D Z

1959
Nestler 0253 Gamma
Generic slide rule of Anagit
320x39.7x4 mm
Front Scales: K A [ B CI C ] D L
Back Scales: T1 T2 DF [ CF CIF CI C ] D S ST

1962
Nestler 0260 Mecanica
Generic slide rule of wood/plastic
295x38.8x11.8 mm
Front Scales: 27cm 1 // 2 3 4 [ 5 6 7 C ] D 8 || lg-tan sin
Back Scales: [ 9 10 11 ]

1963
Nestler 0270 Präzision
Generic slide rule of wood/plastic
295x39x12 mm
Front Scales: 27cm L1 L2 // D C1 [ C2 CI1 CI2 D1 ] D2 S1 || K1 K2
Back Scales: [ S1 S2 T1 T2 ]

1964
Nestler 0280 Geometer
Generic slide rule of wood/plastic
295x38.2x11 mm
Front Scales: 27cm // L D [ 1) ST C = D A || K BI
Back Scales: [ S S&T T ]

5495
Nestler 0281 Geometer 400°
Log/tech slide rule of wood/celluloid

1965
Nestler 0289 Rietz Duplex
Generic slide rule of Astralon
360x48x4.5 mm
Front Scales: L K A [ B BI CI C ] D R1 R2
Back Scales: T1 T2 DF [ CF CIF CI C ] D P S ST

1966
Nestler 0290
Generic slide rule of plastic
335x47.7x4 mm
Front Scales: LL01 LL02 LL03 A [ B L K C ] D LL3 LL2 LL1
Back Scales: CT T ST DF [ CF CIF CI C ] D P S CS

1967
Nestler 0291 Polymath Duplex
Generic slide rule of Astralon
355x48x4 mm
Front Scales: LL01 LL02 LL03 A [ B L K C ] D LL3 LL2 LL1
Back Scales: CT T ST DF [ CF CIF CI C ] D P S CS

1968
Nestler 0292 Multimath Duplex
Generic slide rule of Astralon
357x48x4.5 mm
Front Scales: P S T1 T2 A [ B K CI C ] D R1 R2 L ST
Back Scales: LL00 LL01 LL02 LL03 DF [ CF CIF CI C ] D LL3 LL2 LL1 LL0

5494
Nestler 0297 Elektronik
Electrical slide rule of Astralon

1972
Nestler 0330 Chemiker
Generic slide rule of Anagit
294x38x8 mm
Front Scales: 27cm // 1 [ 2) CI C ] D L
Back Scales: [ 3 CI C ]

1974
Nestler 0370 Electro
Generic slide rule of wood/plastic
296x38x11.5 mm
Front Scales: 27cm // V A [ B CI C ] D U || LL3 K
Back Scales: [ < sin < sin.tan < tan ]

1978
Nestler 0401 Mercur
Generic slide rule of Anagit
295x39x7.5 mm
Front Scales: 27cm // % DF [ CF CI C ] D conversionfactors
Back Scales: [ LL1 qn % C ]

1982
Nestler 0432
Generic slide rule of wood/plastic
295x38.2x11.8 mm
Front Scales: 27cm 1 // 2 3 A [ 4 B 5 6 7 C ] D lg || 8 9
Back Scales: [ 4 B 5 6 C ]

1985
Nestler 0438 Stahlbeton System Jakob
Concrete slide rule of wood/plastic
295x38x12 mm
Front Scales: 27cm gh(kx) gh(kz) // K A [ B R(Fe) C ] D gh(m) || gh(kf) 1)
Back Scales: [ < sin < sin,tan < tan ]

1986
Nestler 0440 van Maarschalkerwaart Stahlbeton
Concrete slide rule of Astralon
357x48x4.2 mm
Front Scales: 1 K A [ B CI C ] D 2) L
Back Scales: T1 T2 DF [ CF CIF CI C ] D P S ST

2305
Nestler 10
Generic slide rule of wood/celluloid
249x39x11.5 mm
Front Scales: 28cm // A [ B C ] D ] 29.4cm
Back Scales: [ S L T ]

1790
Nestler 11 D
Generic slide rule of plastic
154x37x4.5 mm
Front Scales: 13cm // P K A [ B CI C ] D T S
Back Scales: [ LL3 LL2 LL1 ]

1793
Nestler 11 M
Generic slide rule of plastic
152x31x3.5 mm
Front Scales: 13cm // A [ B C ] D
Back Scales: [ S lg T ]

3130
Nestler 11 R
Generic slide rule of plastic
148x31x3.5 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S S&T T ]

1796
Nestler 11 ZE
Electrical slide rule of plastic
148x30.2x3.3 mm
Front Scales: 13cm // cos A [ B CI C || D cos #DYN MOT Volt#
Back Scales: [ S L T ]

1798
Nestler 11 ZM
Generic slide rule of plastic
148x30.5x3.4 mm
Front Scales: 13cm // A [ B C ] D
Back Scales: [ S L T ]

1799
Nestler 11 ZO
Generic slide rule of plastic
148x30.5x3.3 mm
Front Scales: 13cm // A [ B C ] D

1801
Nestler 11 ZR
Generic slide rule of plastic
149x30.5x3.3 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S S&T T ]

3679
Nestler 12 b
Generic slide rule of wood/plastic
145x26.5x8.5 mm
Front Scales: 12cm // A [ B C ] D || 14cm
Back Scales: [ S L T ]

1806
Nestler 14
Generic slide rule of wood/plastic
275x37x10 mm
Front Scales: 25cm // A [ B C ] D || 27.5cm
Well: #30-55cm#
Back Scales: [ S L T ]

3666
Nestler 1413 Wichman 400g
Generic slide rule of wood/celluloid
295.5x38.5x11 mm
Front Scales: L C [ sinxcos cos2 ST C ] D A || D BI
Back Scales: [ S S&T T ]

1810
Nestler 20 Rietz
Generic slide rule of wood/plastic
294x38x11.5 mm
Front Scales: 28cm // K A [ B C ] D L || 1:25
Back Scales: [ S S&T T ]

5053
Nestler 2010
Generic slide rule
Front Scales: A [ B C ] D
Back Scales: [ S L T ]

1817
Nestler 21 a Darmstadt
Generic slide rule of wood/plastic
580x43x12.5 mm
Front Scales: 55cm L // K A [ B CI C ] D sincos || sin tg
Back Scales: [ LL1 LL2 LL3 ]

1822
Nestler 23 Rietz
Generic slide rule of wood/plastic
285x37x11.4 mm
Front Scales: 25cm // K A [ B C ] D L || 1:25
Well: #31-57cm#
Back Scales: [ S S&T T ]

1848
Nestler 23/52
Generic slide rule of plastic
293x39x6 mm
Front Scales: 27cm // K A [ B CI C ] D L
Back Scales: [ S S&T T ]

1849
Nestler 24 Rietz
Generic slide rule of wood/plastic
570x43.5x13.5 mm
Front Scales: 55cm // K A [ B CI C ] D L || 56cm
Well: #58-106cm#
Back Scales: [ S S&T T ]

1855
Nestler 27 Präzision
Generic slide rule of wood/plastic
280x37x11 mm
Front Scales: 25cm // C R1 [ R1 L R2 = R2 1 ] S K
Well: #31-53cm#
Back Scales: [ S T ]

1856
Nestler 28 Universal
Generic slide rule of wood/plastic
284x37x11 mm
Front Scales: 27cm // L D [ sin.cos cos2 C ] D A ] K 1)
Well: #29-54cm#
Back Scales: [ S S&T T ]

2806
Nestler 3
Generic slide rule of wood/celluloid
277x26x9 mm
Front Scales: A [ B C ] D
Back Scales: 27cm 10inch


1866
Nestler 37 Electro
Generic slide rule of wood/plastic
279x37x10.6 mm
Front Scales: 25cm // V A [ B C ] D U || LL3 K
#30-56cm#
Back Scales: [ S S&T T ]

1875
Nestler 39 Electro
Generic slide rule of wood/plastic
150x26x8 mm
Front Scales: 1 2 [ 3 4 5 ] 6
Back Scales: [ 14cm 7 ]

2891
Nestler 4
Generic slide rule of wood/celluloid
275x26x9 mm
Front Scales: A [ B C ] D
Back Scales: 27cm [ S S&T T ] 10inch

1878
Nestler 40
Generic slide rule of all wood
275x31.5x9.4 mm
Front Scales: 25cm // Z [ T M D K ] 27cm
Back Scales: [ L S d ]

1883
Nestler 41
Generic slide rule of wood/plastic
115x16.8x5.5 mm
Front Scales: A [ B C ] D
Back Scales: 11cm [ S CI T ] 4inch

1889
Nestler 43a Stahlbeton (Schäfer)
Concrete slide rule of plastic
295x38x11.5 mm
Front Scales: 27cm 1 // 2 3 A [ B 4 5 6 7 C ] D lg ] 8 9
Back Scales: [ B 4 5 6 7 C ]

1781
Nestler 9
Generic slide rule of wood/celluloid
295x32x10 mm
Front Scales: K A [ B CI C ] D L
Back Scales: 29cm [ S S&T T ] 11inch

3672
Nestler ABL 1962 Commanders Radiation Guide
Military disc of plastic

1763
Nestler Bewegingen langs de Weg
Generic slide rule of plastic
295x38.8x6.6 mm
Front Scales: 27cm // 1 [ 2 2 ] 3
Back Scales: 10inch

5486
Nestler Cross-section of 29 slide rules
Generic instrument

2837
Nestler Darmstadt
Generic slide rule of plastic
162x38x4 mm
Front Scales: 15cm // P K A [ B CI C ] D S T
Back Scales: [ LL1 LL2 LL3 ]

1764
Nestler Elemath Log Log
Generic slide rule of plastic
348x50x4 mm
Front Scales: L K A [ B BI CI C ] D LL1 LL2 LL3
Back Scales: T1 T2 DF [ CF CIF CI C ] D P S ST

1768
Nestler Flugzeit
Aviation slide rule of wood/plastic, 585x52x12.5 mm
Front Scales: 1 // 2 [ 3 4 ] 5 \\ 6
# 7 #

1776
Nestler Flugzeit
Aviation slide rule of wood/plastic, 296x38.6x11.4 mm Front Scales: 1:300000 // 1 [ 2 3 ] 4 || 1:100000
Well: #90-170#

1746
Nestler Rietz
Generic slide rule of wood/plastic
275x37.5x10 mm
Front Scales: 25cm // K A [ B C ] D L || 1:25
Back Scales: [ S T ]

1756
Nestler Rietz
Generic slide rule of plastic
156x32x4.5 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

1757
Nestler Rietz
Generic slide rule of wood/plastic
275x37.5x10 mm
Front Scales: 25cm // K A [ B C ] D L || 1:25
Back Scales: [ S S&T T ]

1773
Nestler Rietz - S
Generic slide rule of plastic
156x31.4x4.2 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

1750
Nestler Schul - Rietz
Generic slide rule of plastic
310x43x4.8 mm
Front Scales: 30cm 15-0-15cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

1769
Nestler Stahlbeton System Maarschalk
Concrete slide rule of plastic
148x32x3.5 mm
Front Scales: 13cm // w(kx) A [ B w(kh) C ] D w(kz) plus 5 formules
Back Scales: [ S ST T ]

3851
Newton slide rule to calculate Ax3+Bx2+Cx=D
Mathematics slide rule of wood/plastic
350x206x12 mm

2876
Nicholl App. Obs of Fire Mk VI
Military slide rule of aluminium/brass
405x35x6 mm (1918)
Front Scales: K ( K )
Back Scales: K ( S )

1990
Night Photographic Flash Sighting Angle and Release Distance Computer 6B / 3132
Aviation disc of metal
180x6 mm
Front Scales: 1 2 3 4 ( 5 6 7 )
Back Scales: 8 9 ( 10 11 )

3243
Nomo Type 0
Disc

1991
Nomus SKF Rollenlager
Technical slide chart of plastic
260x65x2.8 mm

1559
NoName
Generic disc of metal
176x2.6 mm
Front Scales: C ( D )

1993
NoName
Generic slide rule of plastic
151x32x4.5 mm
Front Scales: 13cm // A [ B CI C ] D K
Back Scales: [ S L T ]

1995
NoName
Generic slide rule of plastic
151x32x4.5 mm
Front Scales: 13cm // A [ B CI C ] D K
Back Scales: [ S L T ]

1996
NoName
Generic slide rule of plastic
150x37x4.4 mm
Front Scales: 13cm // A [ B CI C ] D K \\ 5inch
Back Scales: [ S L T ]

1997
NoName
Generic slide rule of plastic
150x37x4.4 mm
Front Scales: 13cm // A [ B CI C ] D K \\ 5inch
Back Scales: [ S L T ]

1998
NoName
Generic slide rule of plastic
151x32x4.5 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

2003
NoName
Generic slide rule of plastic
147x31x3.8 mm
Front Scales: 14cm // K A [ B CI C ] D L
Back Scales: [ S S&T T ]

2004
NoName
Generic slide rule of plastic
160x38x4.2 mm
Front Scales: 15cm // LL3 LL2 A [ B CI C ] D K LL1
Back Scales: [ T2 T1 L S ]

2006
NoName
Generic slide rule of plastic
292x42.4x5 mm
Front Scales: 25cm // K DF [ CF CIF CI C ] D A
Back Scales: [ S ST T L ]

2007
NoName
Generic slide rule of plastic
305x52x6 mm
Front Scales: 28cm // K A [ B BI CI C ] D P S T
Back Scales: [ L LL1 LL2 LL3 ]

2008
NoName (C-Thru USA)
Generic slide rule of plastic
165x28x2 mm
Front Scales: A [ 15cm B R C 6inch ] D

2009
NoName
Generic slide rule of plastic
163x29.2x1.8 mm
Front Scales: A [ 6INCHES B CI C 15METRIC ] D
Back Scales: [ S L T ]

2012
NoName
Generic slide rule of plastic
151x27x3.3 mm
Front Scales: A [ B CI C ] D K

2013
NoName
Generic slide rule of plastic
152x27x3 mm
Front Scales: A [ B CI C ] D K

2015
NoName
Generic slide rule of plastic
152x27x3 mm
Front Scales: A [ B CI C ] D K

2019
NoName
Generic slide rule of plastic
150x27x3.6 mm
Front Scales: A [ B CI C ] D K
Back Scales: [ S L T ]

2020
NoName
Generic slide rule of plastic
286x40x3.5 mm
Front Scales: S K A [ B CI C ] D L T

2021
NoName
Generic slide rule of plastic
313x40x3.5 mm
Front Scales: S K A [ B CI C ] D L T

2023
NoName
Generic slide rule of plastic
285x40x3.5 mm
Front Scales: S K A [ B CI C ] D L T

2024
NoName
Generic slide rule of plastic
155x31x3.2 mm
Front Scales: S K A [ B CI C ] D L T1

2026
NoName
Generic disc of plastic
121x1 mm
Front Scales: C ( D )

2031
NoName
Generic slide rule of plastic
151x32x4.5 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

2032
NoName (C-Thru USA)
Generic slide rule of plastic
163x29x1 mm
Front Scales: 6inch A [ B CI C ] D 15cm
Back Scales: S L T

2033
NoName
Generic slide rule of plastic
149x32x4 mm
Front Scales: 13cm // K A [ B CI C ] D L
Back Scales: [ S ST T ]

2038
NoName
Generic slide rule of plastic
150x34x4 mm
Front Scales: 5inch A [ B CI C ] D 14cm

2039
NoName
Generic slide rule of wood/plastic
145x26x9 mm
Front Scales: 13cm // A [ B C ] D ]|| 14cm
Back Scales: [ S L T ]

2787
NoName
Generic slide rule of plastic
294x40x7.5 mm
Front Scales: 25cm // K A [ B CI C ] D L
Back Scales: [ sin sin/tg tg ]

3249
NoName
Generic slide rule of plastic
295x45x4 mm
Front Scales: K A [ B CI C ] D L
Back Scales: [ S S&T T ]

3256
NoName (Charvoz-Roos SR 113 Super Trig or Post 1462 Made in USA - 1946 )
Generic slide rule of celluloid laminated wood
Front Scales: LL0 LL00 A [ B K L C ] LL3 LL2 LL1
Back Scales: T DF [ CF CIF C ] D S ST

5653
NoName
Generic slide rule of plastic
151x27x3.3 mm
Front Scales: A [ B CI C ] D K

5751
NoName
Generic slide rule of wood/celluloid
Front Scales: 29cm // A [ B C ] D
Well: 29-54cm
Back Scales: [ S L T ]

5786
NoName (Back Advertisement: La Ceramique Nationale, Ste Ame Welkenraedt, BelGique)
Generic slide rule of wood/plastic
Front Scales: 30cm // A [ B C ] D

5657
NoName (Nestler)
By (Nestler), generic slide rule of all wood
Front Scales: 25cm // A [ B C ] D
Well: 29-52cm
Back Scales: [ S L T ]

2082
NoName 57 (Concise 28 Copy - Made in hong Kong)
By Hong Kong, generic disc of plastic
80x3.5 mm1260
Front Scales: D ( C CI A K )

3076
NoName Black disc
Generic disc of metal
131x1 mm
Front Scales: C ( D )

2050
NoName Dwarswindschijf (plotter non-logarithmic)
Aviation disc of metal
191x2 mm

2051
NoName Energy disc
Conversion disc of plastic
62x9 mm
Front Scales: 1 ( 2 ( 3 ( 4)))
Back Scales: 5 6 ( 6 )

2053
NoName Gauging Rule
Alcohol slide rule of all wood
305x27x22 mm (Before 1824)
Front Scales: Many scales
Back Scales: Many scales

2057
NoName Percentage Rekenliniaal
Financial disc of cardboard,
180/190x1.2 mm
Front Scales: C ( 1 2 )
Back Scales: C ( 3 4 )

1992
NoName Pocket slide rule
Generic slide rule of plastic
102x23x4.5 mm
Front Scales: 10cm // A [ B C ] D

2059
NoName Procentor
Financial disc of plastic, 90x3.2 mm Front Scales: C ( D % )

2064
NoName Sector
Generic sector of bone
152x36x3 mm
Front Scales: L || 1-6 inch L S C \/ C S L 6-12 inch
Back Scales: S T T \/ S T T T s N

3446
NoName Sector
Generic sector of brass
154x27x3 mm


NoName Sector wood
Generic sector of all wood
152x35x4.5 mm
Front Scales: L || 1-6 inch L S C \/ C S L 6-12 inch
Back Scales: S T T \/ S T T T s N

3941
NoName Slide Rule
Generic slide rule of plastic
152x32x4 mm
Front Scales: 5inch // K DF [ CF CI C ] D A
Back Scales: [ T2 T1 L S ]

3514
NoName Spirit rule
Spirit slide rule of wood/metal
226x25x4.5 mm

3137
NoName Temperature correction disc
Technical disc of metal
98x2 mm
Front Scales: 1 ( 2 ) 3

2637
NoName Victor 'B' MK 2
Aviation disc of plastic
161x3 mm
Front Scales: TOTAL 1 3 4 5 6 TOTAL (less tank 10) 7 8 11 12
Back Scales: TOTAL 1 3 4 5 6 TOTAL 7 8 10 11 12

2017
Soviet KL-1 Watch type calculator
Texnichesko-Cbetovaya Organizatsia "Rassvyet" (Technical and Lights Company "Sunrise")
Generic watch type of metal/bakelite
50x14 mm
Front Scales: A C
Back Scales: C S T

5780
NoName Wooden (only front side)
Slide rule of all wood

5314
Noralem Industries Regle a Curseur
Technical slide chart of cardboard
300x100x1.5 mm
Front Scales: See Picture
Back Scales: See Picture

2085
Norelco Miles per gallon and Twenty three year calender
Log/tech disc of metal
42.5x1.4 mm (1955)
Front Scales: Miles driven ( Miles per Gallon ) Gallons

2087
Norma 100 Gambrinus
Log/tech disc of plastic
106 mm
Front Scales: units A ( B 1 2 cos )

2086
Norma 100 Grafia
Log/tech disc of plastic
106x6 mm
Front Scales: C ( D 1 )

3515
Norma 190 Gambrinus
Generic disc of metal
190x5 mm

5708
Normus NT 62 J. Eberspächer Glasdachwerk System Huber (IWA)
Log/tech slide chart of cardboard
243x91x1.7 mm

5709
Normus NT 71a Eisenbetonplatte System Huber (IWA)
Log/tech slide chart of cardboard
245x91x1.5 mm

5691
Normus- Schieber Nussbaum No. 2/7 (IWA)
By IWA, log/tech slide chart of cardboard
220x70x1 mm (1924)

2764
Norton Rekenschijf voor Slijp- en Polijstschijven
Log/tech disc of plastic
149x87x1 mm

3281
Novotni Slide Rules Weight Slide Rule
Log/tech slide rule of wood/plastic
354x64x6.5 mm (1959)
Front Scales: Thickness [ Width Length ][ Subjects ] Weight in Pounds

5077
Novotni Weight Slide Rule
Log/tech slide rule made of Bakelite

5059
Nuclear Yield M4A1
Military disc

2093
Ohico Electro 15
Electrical slide rule of wood/plastic
280x36x11 mm
Front Scales: 26cm // LL2 A [ B C ] D LL3 || 10inch
Well: #Dynamo Motor h% Volt#
Back Scales: [ S L T ]

3128
Ohico System Rietz
Generic slide rule of wood/plastic
278x36x11 mm
Front Scales: 26cm // K A [ B C ] D L || 10inch
Back Scales: [ S ST T ]

5284
Omaro Choix des Presses Hydrauliques
Technical slide chart of cardboard
270x122x1.2 mm (1966)
Front Scales: See Picture
Back Scales: See Picture

2100
Omaro Forets
Technical slide chart of cardboard
230x100x2 mm (1937)

2098
Omaro P . 12 Duretés, Toles, Fers plats
Technical slide chart of cardboard
259x120x2 mm (1935)

5364
Omaro P . 12 Duretés, Toles, Fers plats
Technical slide chart of cardboard
261x120x1.5 mm (1935)
Front Scales: See Picture
Back Scales: See Picture

2096
Omaro P.10 Cornières, Rivets, Trusquinage
Technical slide chart of cardboard
259x120x2 mm (1935)

2099
Omaro P.8 Fers Plats, Fers Carrés, Toles, Feuillards
Technical slide chart of cardboard
259x120x2 mm (1936)

2095
Omaro Poids Des Tubes En Acier En Barres Poids
Technical slide chart of cardboard
230x100x2 mm (1939)

2097
Omaro T.3 Denture.
Technical slide chart of cardboard
259x120x2 mm (1932)

3432
Omaro U.2 Curseur d'Ajustements Solex
Technical slide chart of cardboard
120x262x1 mm
Front Scales: Many scales
Back Scales: Many scales

5393
Opstalan Schuifmetertje Benzineverbruik
Technical slide chart of cardboard
159x50x0.7 mm
Front Scales: See Picture
Back Scales: See Picture

3583
Orgelbau Fachverlag System Rensch (Organ)
By Mensur, music slide rule of plastic
395x92x2.5 mm (1986)

5436
OTK PRK 69 ( Soviet Artillery)
Military disc of plastic, 240477x16 mm
Front Scales: 1-10000 ( Ctg Cosec )
Back Scales: 1-10000 ( tg Sec )

2719
OTK no 1 Russian (LFAI - Plant of computational instruments, Leningrad)
Military slide rule of wood/plastic
550x44.5x9 mm (1970-1981)
Front Scales: 1 [ 2 3 ] 4
Back Scales: 5 [ 6 ] 7

5421
OVVM thuis-taxateur
Disc

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