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Johnston Adding Machine Company Seal Stamp

Johnston Adding Machine Company Seal Stamp

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Usage conditions apply
This black metal instrument has a rough finish and gold-colored trim. A tag on the front reads: Johnston Adding Machine Co. (/) (California Corporation).
The Johnston adding machine company would be acquired by Marchant Calculators, Inc. in 1957.
Currently not on view
Object Name
Seal Stamp
date made
ca 1956
Johnston Adding Machine Company
Physical Description
metal (overall material)
overall: 24.5 cm x 15.2 cm x 5.7 cm; 9 21/32 in x 5 31/32 in x 2 1/4 in
ID Number
catalog number
nonaccession number
Credit Line
Gift of SCM Corporation, SCM Business Equipment
See more items in
Medicine and Science: Mathematics
Adding Machines
Data Source
National Museum of American History
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