Inventions that contributed to the Second Industrial Revolution

Alfred Nobel invents dynamite in 1866.

John Peake Knight invents the traffic light in 1868.

Alexander Graham Bell invents the telephone in 1876.

The first steam turbine is patented by Charles Parson in 1884.

Milton Hershey invents the Hershey Chocolate Bar in 1900.

Willis Haviland Carrier invents the air conditioner in 1902.

Conrad Hubert invents the flashlight in 1902.

Orville and Wibur Wright invent the first successful airplane on December 17th, 1903.

Gideon Sundback invents the zipper in 1913.

Charles Strite invents the toaster in 1919.