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Time
Line for the Festus Mfg. Co. and the Acu-Rule Mfg. Co.
1938 Paul
Jones Jr. started the Festus Mfg. Co. making Acu-Rule slide rules
1939
Paul Jones takes control of the company in June and renames it Acu-Rule
Mfg. Co. By August he has hired a New York Sales Agent and
was
selling in gross quantities.
1940 The
company is chartered
as a Missouri Corporation in April and moved to 623 Del Monte Way, St.
Louis, Mo. Slide rules made for Dietzgen, Van Nostrum, Post
and AREL.
1944 Company
officers are listed as
President, Paul Jones; Vice President and General Manager, Russell
Queen; Secretary & Treasurer, Katherine Jones
1945 Paul
Jones dies July 28th. Harry S. Gleick is vice-president.
War time restrictions on raw materials lifted. A Trig slide rule is produced and a new manual design is used
1946 President
is now Willfred J. R. Boos.
Acu-Math brand appears on new line of slide rules made with magnesium
cores. Possibly other rules also used the new brand name.
Acu-Design also appears, presumably as a side line of W. J. Boos
providing scale artwork to other slide rule manufacturers. New
style manuals
are
developed for the Log-Log slide rule
1947 Nicholas
Muschong is now the vice-president. Katherine Jones leaves
the company. About this time
work is being done on wood-plastic laminates. Project failed no rules ever produced.
1948 Work on Vinyl slide rules is underway.
1949 Willfred Boos applies for a patent on a one piece molded cursor.
1950 The
Acu-Rule Mfg. Co. files to
establish the Acu-Math Co. in Illinois on April 14
but the
name was never used as the company name. (This is the same day G. L.
Lockhart declared Bankruptcy).
1952 Patent granted to Willfred Boos.
1954 W. J. Boos files to charter
the Acu-Rule Mfg. Co. in Illinois with the registered office in Mt.
Olive. Charter granted in April. Acu-Rule is on the Mt. Olive
tax rolls.
1956 Nick Muschong is now company president. P. W.
Muschong joins the
company. Mary Jane Muschong is Secretary. The
office is
relocated to
4969 Tholzan St. St. Louis. The company location
is
listed as in Mt. Olive, Illinois.
1959 The St.
Louis office location is 8855 Bracken Circle, Affton, Mo.
1964 The St.
Louis office location is 13050 Woodley Lane, St. Louis
1967 Decision made to devlelop a circular slide
rule and a 20 inch slide rule. The company sale stopped
development.
1968 George
and Mary Staab of
Mountainside N. J. buy the company on June 25th and operate for about a year
in Mt. Olive as Sterling Plastics Co. using the existing Acu-Rule staff for production.
1969 The
company is moved to
Mountainside N. J. In April the Staabs file to dissolve the
Acu-Rule Mfg. Co. in Missouri and the final Certificate of Dissolution
is issued in September.
1970 Sterling Plastics is purchased by Borden Chemical. In March
the Staabs file in New Jersey to withdraw Acu-Rule Mfg. Co. as an
Illinois Corporation.
1972 Last known year that Borden produces Sterling Acu-Math slide rules.
Time
Line for the Slide Rule & Scale Engineering Co.
1930
The
company is established
1945
G L.
Lockhart states plans to rent
the Niemann Poultry Supply factory at 5th North St. on October 5 and
locate in Mt. Olive, Illinois.
1946
On March
15, an Open House is held
in Mt. Olive to initiate production. In July they were
incorporated to do business in Illinois.
1947
Largest
fire in Mt. Olive history
destroys a large part of the plant; $100,000 loss. Plans are
made
to rebuild and some production is started.
1948
George
Lockhart meets with Industrial Group requesting they rebuilt their
factory
1949
Lockhart
requests a loan of $12,000 to rebuild the plant. G. L.
Lockhart
is not on the tax rolls. George M. and Don Lockhart
and the
company are listed.
1950
On June 30th Chancery No. 97536 is filled for dissolution of the
corporation. The plant is never rebuilt and the Slide Rule
and
Scale
Engineering Co. is declared Bankrupt in April. In September
the
creditors meet in Carlinville, Illinois.
1953
No Lockharts on the
Mt. Olive
tax rolls. The Mt. Olive Herald reports that Acu-Rule Mfg.
Co.
will buy property and relocate from St. Louis. G. L. Lockhart
starts the Lockhart Rule Co. at 721.5 Chestnut St., St. Louis 1, Mo.
1954
In
September the Mt. Olive Industrial Association votes to
dissolve.
1957
A Lockhart concrete
calculator rule is found copyright 1957, Slide Rule Calculator Co.,
Owensboro, Ky.
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