Keuffel & Esser Instructions for Log Log Duplex Slide Rule

Description
This eight-page pamphlet was received with 1981.0933.01. It is undated, but Clark McCoy reports the text was written around 1914. This copy was probably printed later, around 1920. It explains the scales on K&E's model 4092 slide rule, works eleven sample problems, and advertises K&E calculating devices.
Reference: Clark McCoy, ed., "K&E Log Log Duplex Slide Rules," http://www.mccoys-kecatalogs.com/KEManuals/manuals.htm#4092.
Location
Currently not on view
date made
ca 1920
maker
Keuffel & Esser Co.
place made
United States: New York, New York
Physical Description
paper (overall material)
Measurements
overall: 22.3 cm x 14.6 cm x .1 cm; 8 25/32 in x 5 3/4 in x 1/32 in
ID Number
1981.0933.02
accession number
1981.0933
catalog number
1981.0933.02
Credit Line
Gift of William J. Ellenberger
subject
Mathematics
Rule, Calculating
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Slide Rules
Advertising
Data Source
National Museum of American History, Kenneth E. Behring Center

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