Object Details
maker
Summit International Corporation
Description
This handheld electronic calculator has a black plastic case with twenty-one rounded rectangular plastic keys. These include ten digit keys, a decimal point key, a constant key, two memory keys, four arithmetic function keys, a total key, a % key, and a clear key. The on/off switch is on the left of the top row of the keyboard. A tag in this row reads: SM20. A tag along the front edge reads: Summit. Behind the keyboard is an eight-digit red LED display.
The back of the calculator has a silver-colored tag on the battery compartment that reads in part: Summit Sm20. It also reads: MODEL SM20 (/) SERIAL NO. 24272 (/) Tm SUMMIT INTERNATIONAL CORP. (/) SALT LAKE CITY, UTAH. The battery compartment would hold a nine-volt battery. Above the tag is a jack for a power supply.
Compare 1986.0988.281.
Reference:
[Advertisement], Carol (Iowa) Daily Times Herald, September 10, 1975, p. 39. Summit SM20 advertised as on sale for $16.97, regular price $18.97. Calculator shown is not this model.
Location
Currently not on view
Credit Line
Gift of John B. Priser
date made
ca 1974
ID Number
1986.0988.019
catalog number
1986.0988.019
accession number
1986.0988
Object Name
electronic calculator
Other Terms
electronic calculator; Handheld
Physical Description
plastic (case; keys; display cover material)
metal (circuitry material)
paper (stickers material)
Measurements
overall: 1 1/4 in x 2 1/2 in x 4 1/2 in; 3.175 cm x 6.35 cm x 11.43 cm
place made
United States: Utah, Salt Lake City
See more items in
Medicine and Science: Computers
Computers & Business Machines
Handheld Electronic Calculators
Data Source
National Museum of American History
Link to Original Record
Record ID
nmah_334433