Moderate difficulty suitable for most players
Arcane Reliquaries of Forgotten Tech
Challenging puzzle for experienced crossword solvers
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Across
- 1. Early analog recording medium shaped like an engraved tube
- 5. Tabulation machine named after its inventor, ancestor of computing
- 7. Mid-century image projector using oil film modulated by light
Down
- 2. Naval signal lamp employing compressed air, obsolete semaphore variant
- 3. Pre-digital apparatus for creating photos from negatives
- 4. Victorian-era device transmitting dots and dashes electrically
- 6. Obsolete type of early 20th-century recording medium (hint: sounds like ancient relic)
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- Explore a crossword featuring 15 obsolete inventions that once shaped history but have now faded into obsolescence.