Moderate difficulty suitable for most players
Esoteric Relics of Forgotten Innovation
Challenging puzzle for experienced crossword solvers
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Across
- 1. A luminous device hypothesized to capture wolf-derived light phenomena
- 2. Relating to lost ancient air-powered mechanisms propelling machines
- 3. Steel patterning art, once unmatched in weaponry, now lost in metallurgical lore
- 4. A vanished Roman casting technique famed for intricate surface finish
Down
- 5. Ancient Greek mechanism deciphered as an analog computing enigma
- 6. Hero of Alexandria's steam sphere, a forgotten precursor to engines
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