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Antique Elevator Engineering Lexicon
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Structural skeleton supporting the passenger capsule
  • 2. Emergency device halting cabin during overspeed
  • 3. Mechanical advantage in vintage lifts’ torque transmission
  • 4. One-way locking device preventing backward descent
  • 5. Vertical shaft conduit where ancient elevators ascend
  • 7. Early friction drive system named after an inventor
Down
  • 6. Mass opposing the car to balance load forces
  • 8. Cylindrical spool around which lifting cables turn

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