Challenging puzzle for experienced crossword solvers
Forgotten Wonders of Outdated Tech
Moderate difficulty suitable for most players
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Across
- 1. Term for traveling salesmen using sample drums to demonstrate products
- 2. Device used to send scanned documents over telephone lines
- 3. Early firearm ignition system replaced by percussion cap
- 4. Mechanical device for text production before computers
- 7. Old ignition generator replaced by electronic ignition
- 9. Networked teleprinter system used before email
- 10. Obsolete device used for early digital data transmission
- 12. Aformat of video cassette defeated by VHS
- 16. Nickname for an early type of Swiss banknote counting machine
Down
- 5. Brand name for early polyester film used in photography
- 6. Invented by Edison to play recorded sound
- 8. Machine used to record and play back voice dictation
- 11. Early long-distance communication using coded signals
- 13. Obsolete medical incubator brand from mid-1900s
- 14. Antique matchbox brand now discontinued
- 15. System using air pressure to send messages in tubes
- 17. Failed precursor to modern hand-crank audio devices
- 18. Unit once used to measure candle power of light sources
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