Explore the obscure yet fascinating gadgets invented by forgotten pioneers through this crossword puzzle.
Innovative Relics of Lost Inventors
Explore lesser-known gadgets and devices invented by forgotten pioneers who shaped technology in unexpected ways.
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Across
- 1. Early device transmitting handwritten messages over a wire
- 3. Obscure electro-acoustic instrument created for experimental sound
- 4. Rare device used to play early recorded sounds on cylinder media
- 6. Early visual toy that created kaleidoscopic patterns
Down
- 2. Forgotten mechanical calculating machine invented in the 19th century
- 5. Instrument to observe individual nuclear disintegrations through flashes of light
- 7. Device for purifying air using pressure and filters in the 1800s
- 8. Mechanical figure designed to perform complex movements independently
- 9. Alexander Graham Bell's invention for transmitting sound on a beam of light
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