CrosswordMint
Obscure Innovators of Vintage Mechanisms
Challenging puzzle for experienced crossword solvers
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Across
  • 1. Element named by an inventor crucial for early radio technology
  • 2. Cam-driven contraption enabling intermittent rotary motion in early automation
Down
  • 3. Pioneer whose high-pressure engine was a steampunk forerunner
  • 4. Engineer behind a forgotten electromechanical cipher device
  • 5. Hollerith’s machine predecessor swiftly tallying yesteryear’s data

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