Alexander Graham Bell invents the first crude metal detector.
1887
German, Heinrich Hertz invents radar.
http://inventors.about.com/library/inventors/blradar.htm
1892
Escalator is invented by Jesse Reno
http://www.ideafinder.com/history/inventions/escalator.htmand now...
http://uk.youtube.com/watch?v=eUSSVbJhSVQ&feature=related
http://uk.youtube.com/watch?v=eUSSVbJhSVQ&feature=related
1893
American, W.L. Judson invents the zipper
http://inventors.about.com/library/weekly/aa082497.htm
1895
Lumiere Brothers invent a portable motion-picture camera, film processing unit and projector called the Cinematographe. Lumiere Brothers using their Cinematographe are the first to present a projected motion picture to an audience of more that one person.http://www.holonet.khm.de/visual_alchemy/lumiere.html
Josh K
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