Inventions & Discoveries
Across
- 4. Invented airplane
- 6. Invented light bulb
- 8. Invented Video games
- 9. Invented Telescope
- 10. Invented mobile phone
Down
- 1. Invented steam Engine
- 2. Discovered Gravity
- 3. Invented ceiling fan
- 5. Invented Postal Stamp
- 7. Invented Computer