Challenging puzzle for experienced crossword solvers
Arcane Artifacts of Forgotten Craftsmanship
Challenging puzzle for experienced crossword solvers
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Across
- 1. Ancient optical slab for examining translucent objects
- 2. Circuit combining several signals over one channel in early telecom
- 3. Prexerox device producing near-exact duplicates of documents
- 4. Early reel-to-reel tape sound recorder harnessing magnetism
- 5. Instrument tracing irregular shapes to measure area precisely
- 11. Electric code sender pre-dating telephonic communication
- 12. Antique writing desk hiding gears and secret compartments
- 13. Mirror device directing solar rays, used in early astronomy
- 14. Optical tube granting views above or around obstacles
Down
- 6. Nautical speed-measuring device deployed by trailing lines
- 7. Pre-flat disc device recording sound on rotating wax
- 8. Victorian tool for draining cases in early photography
- 9. Optical gadget for assessing eye refractive errors
- 10. Pre-digital electronic gadget producing artificial soundscapes
- 15. Obsolete glass tool once used to measure stomach acidity
- 16. Celtic ancient depth measuring rod, precursor to modern gauges
- 17. Rustic grain-cleaning sieve rendered obsolete by mechanization
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