Walther WSR 160
Unknown year
November 5, 2021 by Markus Read more...-
Mechanical Calculators
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Original Odhner Model 27
My first calculator – the one that started the whole madness. I stumbled upon this one on the 12 July 2020 in the middle of the Covid-19 pandemic...
August 17, 2021 by Markus Read more...
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