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Invention on Instagram: "In 1907 the Automatic Pencil Sharpener Co introduced what it marketed as an automatic pencil sharpener, a term that reflected mechanical automation rather than electricity. At the time, most pencils were sharpened by twisting them by hand against a simple blade. This machine replaced that manual cutting motion with an internal mechanism that controlled the sharpening process. The user turned a hand crank, which transferred motion through internal gears to a rotating cutt
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