Allen Wales Model 16E Adding Machine

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This full-keyboard printing electric adding machine has a metal frame painted black, seven columns of black and white color-coded number keys, two columns of blue number keys, and a column of red month keys. The keyboard is painted green. Above the keyboard is a row of nine windows showing numeral dials. Behind this is the printing mechanism and a 31 cm. (12”) movable carriage. Covers for the ribbon are screwed in place. A roll of 6 cm. wide tape is in the carriage.
The machine is marked on the front: ALLEN WALES. It is marked at the bottom of the front: 16E169377 It is marked on the back: ALLEN WALES ADDING MACHINE CORPORATION (/) ITHACA, NEW YORK (/) UNITED STATES OF AMERICA. It is marked on a red paper tag attached to the machine: PATENT DEPT. (/) #255. It is marked on a white paper tag attached ALLEN WALES No 16E-169377 (/) Brown Crystal Case (/) 10 Columns with Month Keys (/) S A C T Carriage 12” (/) Add and Subtract Motor Bars.
The documentation on NCR machines suggests that this machine may date from 1947. This example was model #255 in the Patent Division of Burroughs Corporation.
Currently not on view
date made
ca 1947
Allen Wales Adding Machine Corporation
place made
United States: New York, Ithaca
Physical Description
glass (overall material)
plastic (overall material)
metal (overall material)
paper (overall material)
rubber (overall material)
overall: 30 cm x 46.3 cm x 44.5 cm; 11 13/16 in x 18 7/32 in x 17 17/32 in
ID Number
catalog number
accession number
Credit Line
Gift of Burroughs Corporation
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adding Machines
Data Source
National Museum of American History


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