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Chronicles of Mechanical Office Relics
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Early long-distance communicator transmitting coded clicks
  • 2. Phonograph predecessor storing sound on rotating wax
  • 3. Dial-operated voice transmitter with circular finger stop
  • 4. Perforated data carrier for early tabulating machinery
  • 5. Manual lever base supporting vintage adding machines
Down
  • 6. Antique viewer revealing translucent documents with backlight
  • 7. Mechanical contraption imprinting inked letters by striking keys
  • 8. Analog device for stenography via magnetic tape

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