Across
- 2. first built in 1887
- 4. revolutionized the production of automobiles
- 5. Edison’s independent research laboratory
- 8. place where first electric street cars were made
- 9. Edison’s most important invention
- 10. made car production cheap and fast
Down
- 1. taught deaf students at Boston university
- 3. most productive American inventor
- 6. number of automobiles produced by 1916
- 7. conducted test flights for air travel