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Eccentric Innovators' Obscure Contraptions
Challenging puzzle for experienced crossword solvers
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Across
  • 2. Mechanical mystical entertainer invoking spectral illusions
  • 3. Odd voltaic device ignited by fire, early electrochemical anomaly
  • 4. Early air-mover contraption, precursor of modern respirators
  • 7. Arcane encoder crafting enigmatic messages pre-digital age
  • 9. Obsolete gadget lending numerical precision to arcane records
  • 12. Hero of Alexandria's steam turbine, a forgotten proto-engine
Down
  • 1. Intricate ornament-maker of looping hypotrochoids and epitrochoids
  • 5. Unorthodox creator linked to kinetic monstrosities in automata
  • 6. Rare visualizer revealing imperceptible vibrational patterns
  • 8. Inventor of a peculiar hoisting pulley with compound mechanics
  • 10. Odd device mimicking parasitism to capture elusive specimens
  • 11. Quirky instrument for isolating singular signals in telegraphy
  • 13. Instrument granting minutest measurements through obscure scales

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