Lost Marvels of 19th Century Innovation
Size: 20Difficulty: easy
Explore a collection of forgotten inventions from the 19th century through this engaging crossword puzzle highlighting remarkable yet overlooked technological advances.
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19th Century Lost Innovators' Legacy
Explore obscure and forgotten inventions of the 19th century, highlighting the era’s overlooked technological breakthroughs.
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Across
- 1. Typewriter variant using a rotating cylinder
- 2. Vessel design rising above water on foils
- 4. Instrument measuring electrical charge
- 5. Instrument for vision testing in the 1800s
- 6. Viewer producing 3D image illusion
- 12. Innovative 19th-century color printing method
Down
- 3. System delivering mail through pressurized tubes
- 7. Early solar energy capturing cell concept
- 8. 19th century precursor to fax machines
- 9. Early device for transmitting musical tones electrically
- 10. Device used to measure electrical currents
- 11. Device for igniting street gas lamps
- 13. Early temperature regulation apparatus
- 14. Early motion picture viewer from 19th century
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