Tales of Things
Where everything has its memory
FRIDEN_SW10
Fully automatic 4 function electromechanical calculator; 117 VAC model from US military equipment.
Tales
FRIDEN SW10
This is a 117 VAC fully automatical calculator which Jean Mootz (+) bought at an outlet for used US military equiment. The electro-mechanical Friden SW10 was introduced in the USA and also assembled in Holland (The Netherlands). The small keyboard at the left is for entering the multiplicant: to calculate x*y, enter x right on the main keyboard and y sequentially on the small left keyboard.
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