Sperry Remington 665 Handheld Electronic Calculator

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Description
This handheld electronic calculator has a tan and black plastic case and nineteen rounded rectangular plastic keys. These include ten digit keys, a decimal point key, a shift key, four arithmetic function keys, a total key, a clear key, and an all clear key. To the left of the top three keys is an on/off key. Behind the keyboard is a six-digit blue fluorescent display, with the ability to show up to twelve digits. A power jack is along the back edge. A mark above the display reads: SPERRY REMINGTON 665.
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: 2159426. A sticker on the inside of the compartment reads: 4006852. A sticker on the back of the calculator reads: SPERRY REMINGTON (/) MOD. 665 (/) BATTERY SUPPLY 1.5Vx4 (/) OR USE AC ADAPTOR AD-4145 (/) 0.18 W MADE IN JAPAN.
The calculator has a black plastic zippered case.
References:
[Advertisement], Los Angeles Times, December 23, 1974, p. D6. A grocery store selling Remington calculators, including the Remington 665, offered that model for $26.99.
According to the website of Casio Corporation, this was the Casio CM-605. However, that calculator was quite different.
Guy Ball and Bruce Flamm, The Complete Collector’s Guide to Pocket Calculators, Tustin, CA: Wilson/Barnett, 1997, p. 146.
Location
Currently not on view
date made
ca 1974
maker
Sperry-Univac Computer Systems
place made
Japan
Physical Description
plastic (case; keys; carrying case material)
metal (circuitry material)
glass (display material)
paper (stickers material)
Measurements
overall: 1 1/8 in x 3 1/4 in x 5 1/4 in; 2.8575 cm x 8.255 cm x 13.335 cm
ID Number
1986.0988.301
catalog number
1986.0988.301
accession number
1986.0988
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, Kenneth E. Behring Center

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