Across
- 4. an inventor interested in using electricity who had a research center in Menlo Park, NJ
- 5. Brothers who built an airplane that used a small, gas-powered engine and flew it in Kitty Hawk, NC on Dec 17, 1903.
- 6. a way to manufacture steel quickly and cheaply by blasting hot air through melted iron to remove impurities
- 7. The first man to implement the moving assembly line in manufacturing and introduced the Model T in 1908.
Down
- 1. a period of rapid growth in U.S. manufacturing in the late 1800s
- 2. exclusive rights to make or sell inventions
- 3. Scottish born speech teacher who studied the science of sound. Inventor who patented the telephone in 1876.
