Imgres

Unit 4 Final Assessment

  • Spinning Jenny

    Spinning Jenny
    James Hargreaves developed the spinning jenny. This machine allowed people to spin more wool, which increased productivity. This invention was a necessity for the industrializaion of the textile industry.
    *only know the year, January 1 may not be correct
  • Steam Engine

    Steam Engine
    James Watt invented the first reliable steam engine, oother models were less effecient. His version included a crankshaft and gears and is the foundation for modern steam engines. This made locamotives and many textile machines possible.
    *only know the year, January 1 may not be correct
  • Cotton Gin

    Cotton Gin
    Eli Whitney patented the cotton gin, which was short for engine. Before the cotton gin, seeds had to be removed from the cotton by hand. This made the crop much more profitable for farmers. Farmera made cotton their main crop, which increased the amount of cotton plantations. These needed cheap labor causing the increase in slave labor.
    *only year known, Jan 1 may not be correct
  • Steam-powered Locomotive

    Steam-powered Locomotive
    Richard Trevithick patented a "high pressure engine" and the first steam-powered locomotive engine on rails. However, George and Robert Stephenson built the first practical steam locomotive in 1814, called the "travelling engine", used to haul coal at the Killingworth mine. Then in 1829, they built the famous locomotive "Rocket" that had an average speed of 13 milea per hour with a load, 29 without.
    *only year known, Jan 1 may not be correct
  • Steamboat

    Steamboat
    Robert Fulton built and perated the first successful steamengine and turned it into a commercial success. On August 7, 1807, Fulton's Clearmont went from New York City to Albany making history. The steamboat traveled 150 miles at 5 miles per hour totalling in a 32 hour trip.
  • Sewing Machine

    Sewing Machine
    Elias Howe invented the first sewing machine. It was used for fixing and making clothes in factories. This made the production of clothes and other textiles easier, and was much more productive than sewing by hand.
  • Telephone

    Telephone
    Alexander Graham Bell applied for a telephone patent two years after he first came up with the idea for it. On March 10, the first coherent complete sentence was transmitted from his laboratory. "Mr. Watson, come here; I want you."
  • AC electrical system

    AC electrical system
    By the end of 1887, Nikola Tesla successfully filed several patanets for AC-based inventions. These were purchased the next year by George Westinghouse, who was convinced that AC would supply the nation with long distance power.
    *only year known, Jan 1 may not be correct