Power supply - AC mains.
Uses LSI (Large Scale Integration) integrated circuits.
Made in England by Sumlock Anita Electronics Ltd, distributed by Sumlock Comptometer Ltd.
If you have further information about the Anita 1211P (especially photographs), the development of Anita calculators, or know of somebody who worked there, please get in touch with me.
Text & photographs copyright © 2002 - 2017 Nigel Tout, except where noted otherwise.