Calculators Made By Other Companies

 

In the late 1960s and early 1970s, in order to fill gaps in its product range, Sumlock Anita marketed some mechanical and electronic calculators manufactured by other companies.
Listed here are the known calculators made by other companies and sold by Sumlock Comptometer.

Mechanical Calculators:

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Comptograph 101
Plusograph

Electronic Calculators & Accounting Machines:

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Nixdorf Visible Record Computer

 Sumlock Compucorp
324G Scientist

Sumlock Compucorp 324G

The Bell Punch Company & the Development of the Anita Calculator
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Text & photographs copyright © 2002 - 2017 Nigel Tout, except where noted otherwise.