Introduction

Anita Hand-held Calculators
Anita 841
ANITA 841

Anita 841

Display is 8 digits, red LED.

Scientific.

4.5v (3x AA batteries).

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 10 MAR 1975.

The rear aluminium cover slides up to replace the batteries.

There is an operating manual for this machine in the Operating Manuals & Leaflets section.
Box

Box for the Anita 841 "Slide Rule" calculator.
Inside

The circuit boards have been removed from the casing.
Circuit board

The rear of the circuit board.
Home
Introduction
Origins of Bell Punch Co.
Mechanical Calculator Days
National Calculating Service
Development of Anita 1
Development of Anita 2
Anita is Launched
At work with Anita
All Change at Bell Punch
Anita Developed Further
Anita at its Zenith
The Rockwell Connection
Demise of Anita & Bell Punch
Mechanical Calculators
Early Anita Desktop Calculators
Transistors & Integrated Circuits
Anita LSI Desk Calculators
Anita Hand-held Calculators
Rockwell-Anita Calculators
Calculators made by others
Advertisements & Brochures
Operating Manuals & Materials
Company Information
A Tour of Company Sites
Summary
The Technology Explained
Operating a Comptometer
Old Sterling Currency, £sd
Links
Update Information
Getting in touch

Anita Hand-held Calculators
810
Anita 811 & Triumph-Adler 81
831
841
851
861
8041

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Text & photographs copyright © 2002 - 2008 Nigel Tout, except where noted otherwise.