ANITA Desk Calculators Using LSI Integrated Circuits

Anita 1233D

Anita 12333D

Power supply - AC mains.

12 digits display using "Nixie"-type tubes.

4-functions, %, square root, 3 memories.

Uses LSI (Large Scale Integration) integrated circuits manufactured by Rockwell.

Introduced 1972.

Made in England by Sumlock Anita Electronics Ltd, distributed by Sumlock Comptometer Ltd.

Anita1233D inside

Inside, showing the 12 "Nixie-type" display tubes.

Anita1233D circuit boards

Underneath the keyboard are the three main circuit boards.

Circuit boards

The circuit boards separated.

Main processing board

The main processing board with six Rockwell integrated circuits.

Keyboard Interface board

The Keyboard Interface board.

Decode board

The Decode board.

Advertisement for ANITA 1233P & 1233D

Advertisement for ANITA 1233P (Printing version) and 1233D (Display version), from April 1973.

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Text & photographs copyright © 2002 - 2020 Nigel Tout, except where noted otherwise.