Object Details
maker
Sears, Roebuck and Co.
Description
This handheld electronic calculator has twenty-four indented square plastic keys. These include ten white digit keys and an eleventh white decimal point key as well as keys for the four arithmetic functions, percentage, square root, clear entry/clear, and equals/constant. Five memory keys are in the rightmost column. The on/off switch is above these keys on the left, and the nine-character fluorescent display is behind this. A mark below the display reads: Sears F85. The hole for the recharger/adapter is on the top edge.
The black plastic case has two rubber feet at the top. A silver-colored paper sticker below this reads: IN ALL CORRESPONDENCE REGARDING (/) THIS ARTICLE ALWAYS MENTION (/) MODEL (/) NUMBER 711.58240. Further text reads: SERIAL NUMBER (/) #513813 (/) HONG KONG. Below this is the cover for the battery case.
Compare 1986.0988.174 (the APF Mark 55R).
Reference:
Guy Ball and Bruce Flamm, The Complete Collector's Guide to Pocket Calculators, Tustin CA: Wilson/Barnett Printing, 1997, p. 135.
Location
Currently not on view
Credit Line
Gift of John B. Priser
date made
ca 1977
ID Number
1986.0988.182
accession number
1986.0988
catalog number
1986.0988.182
Object Name
electronic calculator
Other Terms
electronic calculator; Handheld
Physical Description
plastic (case; keys; display cover material)
metal (circuitry; keyboard material)
paper (sticker material)
Measurements
overall: 1 in x 2 3/4 in x 4 7/8 in; 2.54 cm x 6.985 cm x 12.3825 cm
place made
China: Hong Kong
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_334596