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== Etymology == |
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== Traction motor companies == |
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[[File:Horsetrain 1870.jpg|thumb|The [[Swansea and Mumbles Railway]] ran the world's first passenger tram service in 1807]][[File:First electric tram- Siemens 1881 in Lichterfelde.jpg|thumb|The [[Lichterfelde (Berlin)|Lichterfelde]] tram in Berlin, 1882]] |
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[[File:Horsetrain 1870.jpg|thumb|The [[Swansea and Mumbles Railway]] ran the world's first passenger tram service in 1807]][[File:First electric tram- Siemens 1881 in Lichterfelde.jpg|thumb|The [[Lichterfelde (Berlin)|Lichterfelde]] tram in Berlin, 1882]] |
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{{Main|History of trams}} |
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{{Main|History of trams}} |
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The first experimental electric traction motor [[tram]]way of 1875 was rapidly developed internationally for city use.[{{cite book |title=Popular Mechanics |date=May 1929 |publisher=Hearst Magazines |url=https://books.google.com/books?id=wN4DAAAAMBAJ&dq=Popular%20Science%201930%20plane%20%22Popular%20Mechanics%22&pg=PA750 |language=en}}][{{cite web |title=Frank Sprague {{!}} Lemelson |url=https://lemelson.mit.edu/resources/frank-sprague |website=lemelson.mit.edu |access-date=22 December 2024}}][{{cite web |author1=William Edward Ayrton |author2=John Perry |author1-link=William Edward Ayrton |author2-link=John Perry (engineer) |title=Traction Motor {{!}} Patented No. 292,529 |url=https://patentimages.storage.googleapis.com/e9/7c/38/99e5c74e6f461d/US292529.pdf |date=January 29, 1884}}] |
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The first experimental electric traction motor [[tram]]way of 1875 was rapidly developed internationally for city use.[{{cite book |title=Popular Mechanics |date=May 1929 |publisher=Hearst Magazines |url=https://books.google.com/books?id=wN4DAAAAMBAJ&dq=Popular%20Science%201930%20plane%20%22Popular%20Mechanics%22&pg=PA750 |language=en}}][{{cite web |title=Frank Sprague {{!}} Lemelson |url=https://lemelson.mit.edu/resources/frank-sprague |website=lemelson.mit.edu |access-date=22 December 2024}}][{{cite web |author1=William Edward Ayrton |author2=John Perry |author1-link=William Edward Ayrton |author2-link=John Perry (engineer) |title=Traction Motor {{!}} Patented No. 292,529 |url=https://patentimages.storage.googleapis.com/e9/7c/38/99e5c74e6f461d/US292529.pdf |date=January 29, 1884}}] |
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In the 19th century traction motor passenger car companies began to compete with the dominant citywide [[Horsecar|horse-drawn railway]] transportation system.[{{cite book |title=Ordinances of the City of Philadelphia |date=1898 |publisher=GMC |page=134 |url=https://books.google.com/books?id=rnRCAQAAMAAJ&dq=%22%20traction%20motor%22&pg=PA134 |language=en |quote=Regulating licenses to passenger railway and traction motor companies for operating cars...}}][{{cite book |last1=Haupt |first1=Herman |title=Street railway motors |date=1893 |publisher=H.C. Baird & Company |url=https://books.google.com/books?id=lP1IAAAAIAAJ&pg=PR6 |language=en |quote=The subjects here considered are horse railroads steam motors cable traction electric roads com pressed air motors ammonia motors hot water motors gas motors and carbonic acid motors}}][{{cite book |title=United States Census Office: Report on Transportation Business in the United States at the Eleventh Census: 1890: Street railways |date=1892 |publisher=U.S. Government Printing Office |page=10 |url=https://books.google.com/books?id=UDny60OHM_QC&pg=PA10 |language=en}}] |
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In the 19th century traction motor powered passenger car companies began to compete with the dominant citywide [[Horsecar|horse-drawn railway]] transportation system.[{{cite book |title=Ordinances of the City of Philadelphia |date=1898 |publisher=GMC |page=134 |url=https://books.google.com/books?id=rnRCAQAAMAAJ&dq=%22%20traction%20motor%22&pg=PA134 |language=en |quote=Regulating licenses to passenger railway and traction motor companies for operating cars...}}][{{cite book |last1=Haupt |first1=Herman |title=Street railway motors |date=1893 |publisher=H.C. Baird & Company |url=https://books.google.com/books?id=lP1IAAAAIAAJ&pg=PR6 |language=en |quote=The subjects here considered are horse railroads steam motors cable traction electric roads com pressed air motors ammonia motors hot water motors gas motors and carbonic acid motors}}][{{cite book |title=United States Census Office: Report on Transportation Business in the United States at the Eleventh Census: 1890: Street railways |date=1892 |publisher=U.S. Government Printing Office |page=10 |url=https://books.google.com/books?id=UDny60OHM_QC&pg=PA10 |language=en}}] |
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==Motor types and control== |
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==Motor types and control== |