vocabulary
A machine that produces an electric current
What is a Generator
Who invented the telephone.
Who is Alexander Graham Bell
What could be made cheaply from an oily liquid?
What is petroleum
Who invented a machine to reduce the time needed to fasten shoe leather to the sole.
Who is Jan Matzeliger
Where is the place that Alexander Graham bell showed his invention of the telephone?
What is the Centennial Exhibition.
Who invented the Bessemer steel process?
Who is William Kelly and Henry Bessemer.
What was the name of the new manufacturing technique in the 1850s
What is the Bessemer steel process.
who helped invent the first practical typewriter in 1867.
Who is Christopher Latham Sholes
What is a government document giving an inventor the exclusive right to make and sell his or her invention for a specific number of years?
What is a Patent.
What is the name of the inventor who found the most ways to use electricity?
Who is Thomas Edison?