Calculator - 1950-1960 - Mechanical pinwheel calculator with a hand crank

Mechanical pinwheel calculator with a hand crank. I don’t know how this machine works, but everything seems to be functioning. Nice decorative item, and if you’re very technically inclined, fun to tinker with. The serial number 3-15506 appears to indicate the production name. It has been calculated quite often; that took a bit longer than nowadays and also required quite a lot more operations.

Utropspris:SEK 1,667.63

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