701 P2018 Class 2 Edison & invention D2L copy.pdf

701 P2018 Class 2 Edison & invention D2L copy.pdf -...

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Edison with his second phonograph, 1876.
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The famous Corliss Steam Engine in the Hall of Machinery. Some world premier technologies: Telephone, typewriter, sewing machine. The German steel company Krupps had a nice display….
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Menlo Park complex, 1880, with large machine shop (rear), laboratory (center), library & office (front), and experimental electric railroad.
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British Post Office Engineer William Preece on the difference between British and American telegraph research: “The absence of Submarine Cables, underground wires and complicated apparatus, and the climate [in the United States], require less attention to
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  • Spring '08
  • PAVRI-GARCIA
  • steam engine, Royal Mail, Post Office Ltd., Corliss steam engine

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