CrosswordMint
19th Century Lost Tech Treasures
Perfect for beginners with simple, common vocabulary
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Across
  • 1. Power source using hot water and pressure
  • 2. Portable light used before electric bulbs
  • 3. Tool to see faraway stars and planets
  • 8. Rotating part to make a telephone call
Down
  • 4. Early train engine that runs on tracks
  • 5. Device to move air and cool the room
  • 6. Shape used in early telegraph signals
  • 7. Early flying machine without an engine

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