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Instruction Manual for Cooper 100-Inch Slide Rule

Instruction Manual for Cooper 100-Inch Slide Rule

Usage conditions apply
This undated 16-page booklet was received with MA.326237. It is titled, The 'Cooper' 100-inch Slide Rule (Patented). Designed for Use in Calculations Involving Multiplication, Division, Proportion, Percentages, Powers, Roots, Logarithms, etc. etc. The description of the calculator claims it reads to four decimal places. Instructions for currency conversion are also provided. Partial tables of decimal equivalents appear as an advertisement for The Instanter Decimal Tables, published by Simpkin, Marshall, Hamilton, Kent & Co. of London.
Currently not on view
Object Name
date made
before 1923
place made
United Kingdom: England, London
Physical Description
paper (overall material)
overall: 12.4 cm x 18.4 cm; 4 7/8 in x 7 1/4 in
ID Number
accession number
catalog number
Credit Line
Gift of William Dubilier
Rule, Calculating
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Slide Rules
Data Source
National Museum of American History
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