Advertising Pamphlet for Otis King's Pocket Calculator

Description
The cover of this eight-page pamphlet is blue and black. It reads: HOW THE (/) OTIS KING (/) SPIRAL (/) SLIDE RULE (/) SAVES TIME (/) AND MISTAKES (/) IN ALL (/) CALCULATIONS (/) SIMPLE (/) QUICK (/) ACCURATE. The text describes the features and advantages of the Otis King cylindrical slide rule. Drawings demonstrate the three steps required to make calculations with the instrument. The pamphlet also lists 13 sample problems the Otis King Pocket Calculator could solve, 37 companies that were major customers of the rule, and 50 professions that usefully employed the rule. The back page carries five anonymous testimonials.
This pamphlet arrived with 1981.0922.09 and 1981.0922.11. It is exactly the same as 1989.3049.04, except that it is not stamped with information about where the rule was purchased.
Location
Currently not on view
Object Name
pamphlet
date made
1965-1970
maker
Carbic Limited
Physical Description
paper (overall material)
Measurements
overall: 22.3 cm x 10.3 cm; 8 25/32 in x 4 1/16 in
place made
United Kingdom: England, London
ID Number
1981.0922.10
accession number
1981.0922
catalog number
1981.0922.10
subject
Mathematics
Rule, Calculating
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Slide Rules
Data Source
National Museum of American History, Kenneth E. Behring Center

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