ANITA Hand-held Calculators
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.
With the covers removed the three circuit boards can be seen. These are, from left to right: keyboard, calculation and display board, power and clock board.
Anita Hand-held Calculators
Text & photographs copyright © 2002 - 2017 Nigel Tout, except where noted otherwise.