technology

Ethan Redding Mod 4 History  Pierre Lallement a Frenchman made the velocipede in the 1860s. The velocipedes design was a big wheel in the front and a significantly smaller wheel in the back it had pedals, but the pedals where not on a chain the pedals where on the big wheel and the only way to stop was to cruise to a stop or use a stick that you pressed against the big wheel to stop. For the better dressed people and woman that had skirts and dresses there where tricycles that had three wheels but is was safer then the velocipedes. The tricycles where known as high wheel safety bikes. Gearing was allowed for smaller front wheels, and bigger back wheels which also allowed rides to be closer to the ground. These were called safety bicycles. Chain-driven rear wheels were used on tricycles and prototype bicycles during the 1870s. Hans Renold invented the bush Manchester in 1880. This improved reliability and facilitated development of the safety bicycle. 1980 the model T made with the assembly line. The truck was purchased for 825 dollars more than ten thousand where sold in the first year. Then just four years later the price had dropped for 825 dollars to 575 dollars. December 17, 1903 the first air plane took flight at Kitty Hawk, North Carolina on. Orville and Wilbur’s first flight was not for very long it was only 12 seconds and 120 feet. 1924 was the first flight around the world by four Douglas World Cruisers and eight American crewmen set out from Seattle, Washington. One hundred seventy-five days later the aircraft and crew became the first to fly around the earth. The plane was the biplane it was a model of the Navy’s DT-2 Torpedo bomber. 