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19th Century Hidden Inventor Legacies
Moderate difficulty suitable for most players
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Across
  • 1. Created early metal aircraft propellers just before the century's end.
  • 2. Invented a type of waterproof raincoat in the early 1800s.
  • 4. Worked on electromagnetic induction although overshadowed later on.
  • 5. Made advances in steam engine design and scientific communication.
  • 7. Element used by Willoughby Smith to improve telegraphy.
  • 10. Developed an iron purification method later named after him.
Down
  • 3. Early 19th-century inventor of mechanical calculators and pressure devices.
  • 6. Invented improvements in telegraph sounders and telephony.
  • 8. Invented an early type of movie camera mechanism, little known.
  • 9. Pioneered improvements in photographic techniques in the 1800s.
  • 11. Developed early steamboat technology during the early 19th century.
  • 12. Known for AC electricity but many 19th-century patents later forgotten.

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