Across
- 3. Invented by George Eastman and accelerated the growth of amateur photography
- 5. Invented in 1876 and allowed people to communicate faster
- 6. One of Thomas Edison's most famous inventions that allowed people to see in the dark
- 7. Invented by Henry Bessemer and was used to purify iron
Down
- 1. Invented by Elisha Graves Otis and allowed vertical travel up tall buildings
- 2. The Wright Brothers invented this for faster travel
- 4. Developed by Henry Ford and helped make products at more efficient speeds