General Foods Profit Calculator

Made:
1940-1941 in Philadelphia
General Foods Profit Calculator

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General Foods Profit Calculator
Science Museum Group
© The Board of Trustees of the Science Museum

General Foods Profit Calculator, cardboard slide rule copyright 1940 by Walter T. Scott, Philadelphia

Details

Category:
Mathematics
Object Number:
1990-699
type:
slide rule
credit:
Auction Team Koln