File:Patent no. 4945 - Apparatus for Passing Suspension-Wires for Bridges Across Rivers.jpg
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DescriptionPatent no. 4945 - Apparatus for Passing Suspension-Wires for Bridges Across Rivers.jpg |
English: John Roebling's patent for his apparatus to draw wires across gaps by means of traveling sheaves; this is one part of the process used in the construction of the Niagara Falls Suspension Bridge. |
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Source | Roebling, John (1847-01-26). "Patent no. 4945: Apparatus for Passing Suspension-Wires for Bridges Across Rivers". p. 1. United States Patent Office. Retrieved on 2009-07-27. Also available as U.S. Patent 4945. | |||||||
Author | John Augustus Roebling (1806–69) | |||||||
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current | 11:41, 27 July 2009 | 1,223 × 941 (109 KB) | Jappalang (talk | contribs) | {{Information |Description={{en|1=John Roebling's patent for his apparatus to draw wires across gaps by means of traveling sheaves; this is one part of the process used in the construction of the Niagara Falls Suspension Bridge.}} |Source={{cite journal | |
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