Lost Marvels of Ancient Innovation
Moderate difficulty suitable for most players
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Across
- 1. Ancient device using shadows to tell time
- 2. Technique using compressed air for various tools
- 4. Early 20th-century concept blending cars and aircraft
- 6. Used since antiquity to measure distance traveled
Down
- 3. Portable light source before electric bulbs
- 5. Early sound recording machine predating the phonograph
- 7. Nikola Tesla’s invention for wireless energy
- 8. Medieval instrument for measuring celestial bodies
- 9. Ancient Roman artillery resembling giant crossbows
- 10. 19th-century device once used as a medical aid
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