Have you ever used one of these? Tools from the past.
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The greatest clock (and map) ever made
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I wish i’d known this sooner, How to use calipers like a pro
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HOW TO USE A SLIDE RULE (C&D SCALES) ANALOG COMPUTER MULTIPLICATION & DIVISION 99134
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Software on Paper - 1985 Cauzin Softstrip
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The World Depends on 60-Year-Old Code No One Knows Anymore
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The Real Reason Why Todays Music Is Starting To Sound The Same
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Can you crack this beautiful equation? – University exam question
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