invention
Topic | Replies | Views | Activity | |
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Inventions and attempted inventions |
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16 | 528 | 5 December 2024 |
Make It Sew—the Inventors and Inventions behind the Sewing Machine |
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2 | 298 | 12 May 2024 |
Three-Phase Power: Nikola Tesla v. Mikhail Dolivo-Dobrovolsky |
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4 | 724 | 1 December 2022 |
Who Invented the Mouse “Snap Trap”? |
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1 | 323 | 5 April 2022 |