Sperry-Remington 807B Handheld Electronic Calculator

Description
This handheld electronic calculator has an off-white and black plastic case and eighteen rounded rectangular plastic keys. These include ten digit keys, a decimal point key, four arithmetic function keys, a total key, a clear key, and an all clear key. To the left of the top two keys is a switch for setting a constant. Behind the keyboard is an eight-digit LED display. The on/off switch is on the left side and a power jack is along the back edge. A mark above the display reads: SPERRY REMINGTON.
The back of the calculator has a compartment for four AA batteries at the base. A sticker on the inside of the lid of the compartment reads: 163995. A metal plaque on the back of the calculator reads: SPERRY REMINGTON (/) MOD. 807B (/) BATTERY SUPPLY 1.5Vx4 (/) OR USE AC ADAPTOR AD-4145 (/) 1.1 W MADE IN JAPAN.
This calculator was manufactured by Casio Corporation. Compare to the Casio 8E.
References:
The mycalcdb.free.fr database indicates that this was the same as the Casio 8E.
[Advertisement], Chicago Tribune, September 19, 1974, p. N13. Remington 807-B Mini Calculator sold for $19.88 if purchased with another item in a warehouse sale. Manufacturer’s list price $109.95.
Guy Ball and Bruce Flamm, The Complete Collector’s Guide to Pocket Calculators, Tustin, CA: Wilson/Barnett, 1997, p. 147. Gives date of ca. 1972.
Location
Currently not on view
Object Name
electronic calculator
date made
1972-1974
vendor
Sperry-Univac Computer Systems
maker
Casio Computer Company
Physical Description
plastic (case; keys; display cover material)
metal (circuitry material)
Measurements
overall: 1 7/8 in x 3 in x 5 3/4 in; 4.7625 cm x 7.62 cm x 14.605 cm
place made
Japan
ID Number
1986.0988.068
catalog number
1986.0988.068
accession number
1986.0988
subject
Computers & Business Machines
Handheld Electronic Calculators
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of John B. Priser
Additional Media

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