Build a 3D Printed Curta Calculator
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62.8K views7 months ago
instructables.com
Ever find yourself just needing to know how things work? Before electronic calculators, there were mechanical ones, like the Curta, the only handheld mechanical calculator ever made! I demo’d this at the last Festival of the Spoken Nerd show, and there’s plenty more where that came from. Join us at the Royal Institution, London, on March 2nd for more nerdy demos. Bring your nerdiest friends, they’ll love it. Link to tickets in comments! | Steve Mould
2:59
Ever find yourself just needing to know how things work? Before ele…
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