Calculator, 1929
Presentation of a new calculator at the National Business Exhibition in 1929 at the Grand Central Palace Building in New York. The machine can add, subtract, eliminate, list and factor digit sums, a new eighty column card is used with it
Picture No
10524818
Media ID
48147329
Size
2246px x 1894px
(1.6MB)
Credit
Mary Evans / SZ Photo / Scherl
Date
1929
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Calculator Computing Digit Eighty Eliminate Factor Subtract Sums
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