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Arcane Devices of Obsolete Engineering is a hard crossword puzzle with 6 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Arcane Devices of Obsolete Engineering
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Predecessor to the phonograph, this device recorded sound visually
  • 6. Hero of ancient steam propulsion, spinning on jets of steam
Down
  • 2. Early photographic technique capturing successive motion phases
  • 3. Instrument or method for secret writing and deciphering
  • 4. Branch of physics harnessing air pressure for ancient mechanical work
  • 5. Old method of long-distance communication through coded pulses
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