Mercedes-Euklid Model 38MS Calculating Machine

This German full-keyboard electric proportional rod calculating machine is black, painted green under the keyboard. It has 16 columns of black, white, and red octagonal plastic keys. The machine records multipliers of up to eight digits and products of up to 16 digits. Keys for correction, division and multiplication are left of the keyboard, and keys for subtraction and addition are to the right. The carriage at the back of the machine has four rows of number dials. One row is covered at any given time. In back of the topmost row of number dials is a set of thumbscrews. The motor is in the back of the machine’s case, with a rubber cord extending from it.
A mark on the right front reads: MERCEDES- (/) EUKLID (/) Mod.38MS. A mark on the back reads: Mercedes Euklid. A red tag attached to the machine reads: PATENT DEPT. (/) #146. It was model #146 in the collection of the Patent Division of Burroughs Corporation. It has serial number: 62941. The serial number dates the machine from after 1939. It was manufactured until about 1953.
American Office Machines Research Service, vol. 3, section 4.3 (September 1938), p. 49.
Fédération Nationale des Chambres Syndicales de la Mécanographie,Fédération de Reprise officielle des Machines à Ecrire, Machines à Calculer . . ., Lyon, 1970, p. 72.
Currently not on view
Object Name
calculating machine
date made
ca 1946
Physical Description
glass (overall material)
rubber (overall material)
plastic (overall material)
steel (overall material)
paper (overall material)
overall: 18.5 cm x 39 cm x 37 cm; 7 9/32 in x 15 11/32 in x 14 9/16 in
place made
Deutschland: Berlin, Berlin
ID Number
catalog number
accession number
maker number
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Calculating Machines
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of Burroughs Corporation
Additional Media

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