Sumlock Anita 861 Electronic Calculator

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Display is 8 digits, red LED.

For financial calculations.

4.5v (3x AA batteries).

The calculator integrated circuit is Rockwell A4561PB.

69 mm x 118 mm x 24 mm (2.8" x 4.7" x 1").

Sumlock Comptometer Ltd., England

Circuit board of this example stamped 6 DEC 1974.

The rear aluminium cover slides up to replace the batteries.

Our Anita calculator is complete with the soft case and was kindly donated by Val Hunter

Manufacturer: Sumlock
Date: 1974

Other Systems Related To Sumlock Anita 861 Electronic Calculator:

Item Manufacturer Date
Sumlock Anita Comptometer Sumlock Unknown
Sumlock Comptometer LC/912/S/3251 Sumlock Unknown
Sumlock Comptometer 912/S Sumlock 1st January 1950
Sumlock Duolectric Comptometer Sumlock 1953
Sumlock Sumlomatic Comptometer 912/S/6a/604.052.A Sumlock 1959
Sumlock Comptometer 993S Model 912/VZ/S/918.174 Sumlock 1964
Sumlock Comptometer 993S Model 912/VZ/S/933.896. Sumlock 1st January 1964
Sumlock Anita 1011B L.S.I. Electronic Calculator Sumlock 1971
Sumlock Compucorp 344 Statistician Sumlock 1979

This exhibit has a reference ID of CH25707. Please quote this reference ID in any communication with the Centre for Computing History.

 

Sumlock Anita 861 Electronic Calculator


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