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The Contex A Adding Machine
Автор: Jaap Scherphuis
Загружено: 2020-12-12
Просмотров: 1030
Описание:
The Contex A is an adding machine made in Denmark from about 1945 till 1952. The casing was then redesigned to make the Contex B which was produced until about 1970. Here I show three versions - a normal decimal one, one for sterling currency, and one for sterling currency with farthings.
For more information about this and other calculators in my collection, please visit my website:
https://www.jaapsch.net/mechcalc/
0:00 Introduction
0:30 Addition
0:55 Sterling currency
2:00 Serial numbers
3:50 Clearing
4:10 Outro
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