Lloyd's Accumatic 70 Model E752 Desktop Electronic Calculator

Lloyd's Accumatic 70 Model E752 Desktop Electronic Calculator

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This small, desktop electronic calculator has ten digit buttons and a decimal point button on the left front, five function buttons (for addition, subtraction, multiplication, division, total and canceling) on the right front, and an on/off switch. Instructions for doing basic operations are on the back of the calculator.
The instrument fits in a cardboard box and has a paper instruction leaflet dated November 72. The instructions are given in English and French.
The calculator has an eight-digit liquid crystal display. The chips in it were made by Rockwell. According to a mark on the object, the calculator was: ASSEMBLED IN MEXICO PRIMARILY OF (/) UNITED STATES PARTS. The serial number of this example is 129495 and it was sold by Lloyd's Electronics, Inc. of Compton, California (near Los Angeles).
The electronic calculator was owned by the late David H. Shayt, a curator at NMAH.
Compare object 2011.0186.01, an Accumatic 100. The 100 has a case and, a cover for the LCD screen, and, according to the illustration on the box, was supposed to have a power adapter.
Guy Ball and Bruce Flamm, The Complete Collector's Guide to Pocket Calculators, Tustin, Calif.: Wilson/Barnett Publishing, 1997, pp. 88–92 describes the related Accumatic 100.
[Advertisement], , July 2, 1972, p. 25. Introduces an eight-digit protable electronic calculator sold by Lloyd's, costing $99.95. This resembles this object, though no model number is given.
[Advertisement], New York Times, December 17, 1972, p. F3. Describes a Lloyd's desktop calculator very similar to this one, manufactured by North American Rockwell. Sale price $69.88.
[Advertisement], Los Angeles Times, August 31, 1973, p. B6. Lloyd's Accumatic 70 on sale for $69.97.
Currently not on view
Object Name
electronic calculator
date made
ca 1972
ca 1973
Lloyd's Electronics
place made
United States: California, Compton
Physical Description
plastic (case, keys material)
paper (box, instructions material)
metal (wiring material)
glass (display material)
average spatial: 23.5 cm x 14 cm x 50 cm; 9 1/4 in x 5 1/2 in x 19 11/16 in
ID Number
catalog number
accession number
Credit Line
Gift of David H. Shayt
See more items in
Medicine and Science: Computers
Desktop Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History
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