Allen Wales Model 10E Adding Machine

This full keyboard printing electric adding machine has a case painted gray-brown. There are has ten columns of green and white color-coded plastic keys, with an addition bar, a clearance button, and a repeat lever to the right of the number keys. The keyboard is painted light green. Behind the number keys is a row of ten number dials. Behind these on the left is a non-print lever and on the right are non-add and total/subtotal levers. Behind this is the printing mechanism, with 11 type-bars (one is for symbols). Below the printing mechanism is the motor, with a rubber-covered cord extending from the back. At the back there also are a movable carriage 31 cm. wide which can be set in 5 places, and a paper tape 5.6 cm. (2-1/4 inches) wide. Knobs at both ends of the platen may be used to advance the paper tape manually. A serrated metal edge helps tear off the tape. A lever on the right side of the carriage releases it to slide to another position.
The machine is marked on the front: ALLEN WALES. It is marked on a metal tag attached to the front at the bottom: 10E-291362. It is marked on the back: MANUFACTURED AT (/) ITHACA, NEW YORK, U.S.A. (/) ALLEN-WALES ADDING MACHINE DIVISION OF (/) THE NATIONAL CASH REGISTER COMPANY (/) DAYTON, OHIO. U.S.A. (/) ALLEN-WALES. It is marked on a metal tag attached to the right side: ALLEN WALES MODEL E (/) C E S A APP NO 4730 (/) AC-DC VOLTS 110 AMPS.
The Allen Wales adding machine, a descendent of the Wales adding machine, was sold by NCR from 1944.
Currently not on view
date made
Allen-Wales Adding Machine Division of the National Cash Register Company
place made
United States: New York, Ithaca
Physical Description
glass (overall material)
plastic (overall material)
steel (overall material)
rubber (overall material)
paper (overall material)
overall: 29.5 cm x 39.5 cm x 46 cm; 11 5/8 in x 15 9/16 in x 18 1/8 in
ID Number
catalog number
accession number
Credit Line
Gift of Charlotte A. and Homer L. Walkup
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Adding Machines
Data Source
National Museum of American History


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