Explore the fascinating world of early technological inventions and their patents with this crossword focused on iconic retro gadgets and their innovators.
Vintage Tech Innovations and Inventors
A crossword exploring influential retro gadget patents and their pioneering inventors.
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Across
- 1. Patent for cooking food using electromagnetic waves
- 2. Material crucial in early pencil patent gadgets
- 3. Wireless device patented for audio signal transmission
- 4. Alexander Graham Bell's revolutionary communication device
- 6. Semiconductor device key to early electronics
Down
- 5. Early gadget combining audio and visual broadcast
- 7. Machine patented to record video on magnetic tape
- 8. Device invented to capture still images
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