Across
- 4. – Device allowing underwater breathing
- 5. – Mask used during plague outbreaks
- 7. – Boat designed to skim across water
- 8. – System for transporting items through tubes
- 10. – Modular design concept used in construction
Down
- 1. – Early electronic component used in radios
- 2. – Early chess-playing automaton
- 3. – Camera stabilized by a gimbal mechanism
- 6. – Rigid airship used in early aviation
- 9. – Ancient instrument for measuring astronomical positions