Across
- 5. Rapid growth in U.S. manufacturing in the late 1800's
- 6. Inventor very interested in electricity and held over 1000 patents patents
- 7. built a small, lightweight plane
Down
- 1. patented the telephone
- 2. invented the Model T in 1908
- 3. A way to manufacture steel quickly and cheaply
- 4. exclusive rights to make or sell an invention