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Sears CI 801.58000 Desktop Electronic Calculator

National Museum of American History

Object Details

Sears, Roebuck and Co.
Description
This lightweight desktop electronic calculator has a turquoise and gray plastic case, an array of nine digit keys, and a zero bar and decimal point key below the digit keys. Keys for the arithmetic operations, a percent key, an equals key, and a cancel key are right of these. The liquid crystal display is behind the keys, and the power switch is on the side. The calculator has prongs for a cord but no cord. It has a clear plastic cover.
A stamp on the bottom of the inside of the case reads: 111772.
A mark above and behind the display reads: Sears C1. A sticker on the bottom reads in part: MODEL (/) NUMBER 801.58000 (/) CALCULATOR (/) # 142329. It also reads in part: ASSEMBLED IN MEXICO.
Sears reportedly first sold an electronic calculator in 1972. An advertisement for the C1 appeared in the Boston Globe in January of 1973, listing the machine as on sale for $89.88, $10.07 off the usual price of $99.95. The ad indicates that the calculator had an eight-digit capacity.
References:
“Sears Catalog Geared to Special Customers,” Chicago Daily Defender, January 15, 1972, p. 16.
[display ad], Boston Globe, January 21, 1973, p. A6.
Location
Currently not on view
Credit Line
Gift of John B. Priser
ca 1972
ID Number
1986.0988.008
catalog number
1986.0988.008
accession number
1986.0988
Object Name
electronic calculator
Other Terms
electronic calculator; Desktop
Physical Description
plastic (case, keys material)
glass (display material)
metal (wiring material)
Measurements
overall: 14.732 cm x 24.892 cm x 7.112 cm; 5 13/16 in x 9 13/16 in x 2 13/16 in
place made
Mexico
See more items in
Medicine and Science: Computers
Computers & Business Machines
Desktop Electronic Calculators
National Museum of American History
Subject
Business
Record ID
nmah_334422
Metadata Usage (text)
CC0
GUID (Link to Original Record)
https://n2t.net/ark:/65665/ng49ca746a1-38e5-704b-e053-15f76fa0b4fa

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Sears C-1 Desktop Electronic Calculator
There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .
International media Interoperability Framework
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.
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