Perfect for beginners with simple, common vocabulary
Obscure Innovations That Shaped History is a easy crossword puzzle with 8 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Obscure Innovations That Shaped History
Explore lesser-known inventions that once impacted the world but have since faded from common knowledge.
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Across
- 1. Gadget for viewing images in 3D using twin pictures
- 2. Early device transmitting sound on a beam of light
- 3. Revolutionary communication system using coded signals
- 5. Device used for sterilization with high-pressure steam
Down
- 4. 19th-century device for viewing panoramic photographs
- 6. An instrument producing musical tones via combustion
- 7. Ancient instrument used to measure celestial positions
- 8. Decorative wheel cover once widely used on automobiles
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