A crossword exploring obscure and forgotten inventions that shaped history but faded from memory.
Lost Innovations of History’s Vault
Explore intriguing forgotten inventions that shaped early technology and vanished from modern memory.
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Across
- 1. Obscure ancient chemical invention for preservation
- 2. An early concept in robotics and automata design
- 3. Old term for mechanical clock or timepiece
- 5. An early projector used to display images with light
- 6. Device for viewing motion in discrete steps
- 7. 19th-century device for rapid speech transmission
- 9. Ancient mechanical writing apparatus
- 13. Musical instrument that plays sound with flames
- 15. Device to emit pleasant scents in Victorian homes
- 17. Instrument measuring orientation and angular velocity
- 18. Optical device once widely used in submarines
Down
- 4. Early navigational device preceding the sextant
- 8. Early fax machine transmitting handwriting over wires
- 10. Ancient navigation instrument for measuring stars
- 11. Mechanical device for raising heavy weights with a drum
- 12. Early typewriter prototype for text input
- 14. Artistic tool for burning designs on wood or leather
- 16. Cone-shaped device to amplify human voice historically
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