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Victor Automatic Calculator

Victor Automatic Calculator

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Description
This ten-key printing electric adding machine has a brown metal frame, ten brown numeral keys in a block, and three levers. One bar is marked C, another marked -, and a third has no mark. A red button is at the top right of the keyboard. The place indicator is above the number keys, and the printing mechanism and motor are at the back. The machine adds numbers with as many as ten digits and prints 11-digit results. An electric cord extends out the back. The four feet are rubber. A roll of paper tape is in the machine. Another roll of tape was received with the accession.
The machine resembles that shown in a 1961 photograph at the time of the merger of Victor Adding Machine Company and Felt & Tarrant Adding Machine Company. The machine is marked: 1535-613 (/) 73 85 54B. It is also marked: MADE BY VICTOR ADDING MACHINE CO. (/) CHICAGO. U.S.A. (/) U.S.A. PATENT No2834542 (/) BRITISH PATENT No 787 507. A Victor adding machine with serial number 1,535,613 dates from 1959 according to the National Office Machine Dealer’s Association.
References:
NOMDA’s Blue Book: Approximate January 1st Ages Adding Machines and Calculator Retail Prices, November, 1980, p. 57.
E. Darby, It All Adds Up: The Growth of Victor Comptometer Corporation, Victor Comptometer Corporation, 1968, p. 131.
Location
Currently not on view
Object Name
adding machine
date made
1959
maker
Victor Adding Machine Company
place made
United States: Illinois, Chicago
Physical Description
metal (overall material)
rubber (overall material)
paper (overall material)
plastic (overall material)
Measurements
overall: 18.5 cm x 23.5 cm x 37 cm; 7 9/32 in x 9 1/4 in x 14 9/16 in
ID Number
1991.0791.01
maker number
1535613
accession number
1991.0791
catalog number
1991.0791.01
Credit Line
Gift of David Rabinow
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adding Machines
Data Source
National Museum of American History
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Comments

There were 4 models in this series . 71 was an add and subtract only. 72 was add ,subtract, and automatic multiplyer. 73 same as 72 but also automatic division. 75 auto mult and division and a constant multiples and divisor. The red button top right corner of keyboard stopped a calculation. This series ran at 180 cycles per minute .

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