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Bessemer Steel ProcessBessemer Steel Process Industrial process for the manufacture of steel Involved injecting air into molten iron to remove impurities Removal of carbon made a lighter, more flexible, rust-resistant metal known as steel. This process drastically lowered the price of building materials.

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The Bessemer ProcessThe Bessemer Process

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New Uses for SteelNew Uses for Steel The railroads, with thousands of miles of track, became the biggest customers for steel. Other uses: Gliddens barbed wire Deeres farming equipment Transformed the construction industry, allowing for more complex structure to be built ie) The Brooklyn Bridge

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Inventions Promote ChangeInventions Promote Change Inventions changed the way people lived and worked Inventions such as the typewriter, incandescent light bulb, phonograph, telephone, and electric motor, drastically changed peoples lifestyles.

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Christopher SholesChristopher Sholes Invented the typewriter in 1867 Drew more women into the workforce

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Thomas Alva EdisonThomas Alva Edison Invented the incandescent light bulb, and later invented an entire system for producing and distributing electrical power Electricity allowed manufacturers to locate their plants wherever they wanted, not just near sources of power, such as rivers.

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Alexander Graham BellAlexander Graham Bell Invented the telephone in 1876, opening the way for a worldwide communications network.

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Regents QuestionRegents Question The invention of the typewriter and the telephone in the mid-1800s helped lead to 1) a shorter work week 2) more jobs for women 3) a market for electricity 4) mass production

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Industrialization Freed some factory workers from backbreaking labor Helped improve workers standard of living Job market growth Urban population increased

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Mass ProductionMass Production

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The Assembly LineThe Assembly Line What problems or benefits can you foresee with the implementation of the assembly line?