Sumlock Anita 861 Electronic Calculator

 Home > Browse Our Collection > Calculators > Electronic Calculators > Sumlock Anita 861 Electronic Calculator
 

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 Comptometer LC/912/S/3251 Sumlock Unknown
Sumlock Duolectric Comptometer Sumlock 1953
Sumlock Sumlomatic Comptometer 912/S/6a/604.052.A Sumlock 1959
Sumlock Anita Comptometer Mark 9 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
Anita 811 Hand Held Calculator Sumlock Comptometer Ltd 1972
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


Click on the Image(s) For Detail

Help support the museum by buying from the museum shop

View all items

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund
Accredited Museum