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