Jefferson Handheld Electronic Calculator

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This simple calculator has a black plastic case, a flat keypad with ten digit keys, a clear key, four arithmetic function keys, three blank keys, and an on/off switch. Behind the keyboard is a six-digit red LED display. A sticker behind this reads: Jefferson. The back has a sticker with operating instructions, which is marked at the bottom: Made in U. S. A. The battery fits at the top of the back. A mark on the circuit board inside the case reads: PCB - 676.
It seems likely that Jefferson sold rather than actually manufacturing the calculator.
Currently not on view
Jefferson Electric Mfg Co.
place made
United States
Physical Description
plastic (case; template; keys; display cover; switch material)
gallium arsenide (diodes material)
metal (circuitry material)
coated paper (stickers material)
overall: 7/8 in x 2 1/2 in x 4 5/8 in; 2.2225 cm x 6.35 cm x 11.7475 cm
ID Number
catalog number
accession number
Credit Line
Gift of John B. Priser
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History


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