Ancient Calculators

Here you can see some photos of really old mechanical calculators which are "a little bit" bigger than we used these days. In the old days you should be well educated to use one of these.

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  • By: zoki76
  • Level: Knob Polisher
  • Added: 155 weeks ago
  • Views: 340
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Description: Here you can see some photos of really old mechanical calculators which are "a little bit" bigger than we used these days. In the old days you should be well educated t... view all
 
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