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Sine
@sinusoidalsnail
Edison's electric pen (1875) One of the first consumer products to use an electric motor. When someone wrote with it, a needle moved up and down to create a stencil. Then the stencil was put into a separate press, and ink was rolled through it to make copies of the handwritten document.
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Marc Maurer
@marc93
/microsub tip: 22 $DEGEN
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Sine
@sinusoidalsnail
Thank u Marc! 🖤🖤🖤
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