Shoemaker – Heel and edge “rasping” (grinding)
In the final stage of shoemaking, the shoemaker also finely trims the sole edges with a rasp. The work of a shoemaker…
Brunsviga Nova 13Z Mechanical Calculator
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About the sound
In the audio you can hear the main mechanical functions of a mechanical Brunsviga calculator. These specific models were made in Germany during the years 1929-1946.
You can do basic mathematical operations with the calculator: addition, subtraction, multiplication and division.
Sound recorder & video recorder: Antti Makkonen
Photographer: Antti Hannunen
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