-
John Fitch
john was an American inventor, clockmaker, entrepreneur and engineer. He was most famous for operating the first steamboat service in the United States. -
Eli Terry
Was an inventor and clockmaker in Connecticut. He received a United States patent for a shelf clock mechanism. He introduced mass production to the art of clockmaking, which made clocks affordable for the average American citizen. -
Eli Whitney
Cotton Gina is a machine that quickly and easily separates cotton fibers from their seeds, allowing for much greater productivity than manual cotton separation -
Walter Hunt
is a variation of the regular pin which includes a simple spring mechanism and a clasp. The clasp serves two purposes: to form a closed loop thereby properly fastening the pin to whatever it is applied to, and to cover the end of the pin to protect the user from the sharp point. -
Linus Jr. Yale
Was an American mechanical engineer and manufacturer, best known for his inventions of locks, especially the cylinder lock. His basic lock design is still widely distributed today, and constitute a majority of personal locks and safes. -
Lester Pelton
In the late 1870s Pelton modeled, tested and manufactured his first turbine wheel, dubbed the Pelton Runner—later referring to the impulse blades only—at the Miners Foundry in Nevada City, California. -
Alfred Nobel
Swedish chemist Alfred Nobel invented dynamite and other explosives. He used his enormous fortune from 355 patents to institute the Nobel Prizes. -
Andrew Hallidie
This was the world's first practical cable car system, and Hallidie is often therefore regarded as the inventor of the cable car and father of the present day San Francisco cable car system, although both claims are open to dispute. -
Charles Martin Hall
He is best known for his invention in 1886 of an inexpensive method for producing aluminum, which became the first metal to attain widespread use since the prehistoric discovery of iron. -
Guglielmo Marconi
Radio
Marconi succeeded in making a commercial success of radio by innovating and building on the work of previous experimenters and physicists
