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Keuffel & Esser Instructions for Log Log Duplex Slide Rule

Object Details

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
Data Source
National Museum of American History
maker
Keuffel & Esser Co.
date made
ca 1920
Credit Line
Gift of William J. Ellenberger
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
Object Name
pamphlet

Featured In

  • Slide Rules:Index by Makers & Retailers
  • Slide Rules:Index by Purpose
  • Slide Rules:Manuals & Documentation
Keuffel & Esser Instructions for Log Log Duplex Slide Rule
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