Allen Wales Model 16E Adding Machine

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
Object Name
adding machine
date made
ca 1947
Allen Wales Adding Machine Corporation
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
place made
United States: New York, Ithaca
ID Number
catalog number
accession number
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adding Machines
Data Source
National Museum of American History, Kenneth E. Behring Center


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