Home
background
key people invoved
cotton gin
cotton controverial
interchanchable musket parts
why the need
SHORT VIDEO
sorces/citations
questions
inventors
.
Thomas Edison
Samuel F. B. Morse
Alexander Graham Bell
Elias Howe
Isaac Singer
Cyrus McCormick
George Eastman
Charles Goodyear
Nikola Tesla
George Westinghouse
Dr. Richard Gatling
Home
background
key people invoved
cotton gin
cotton controverial
interchanchable musket parts
why the need
SHORT VIDEO
sorces/citations
questions