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| Patents for I. H. Babcock | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 193,085 | Jul. 17, 1877 | B. Holly | Steam Generator | |
 | 193,086 | Jul. 17, 1877 | B. Holly | Steam Apparatus | |
 | 193,087 | Jul. 17, 1877 | B. Holly | Meter Valves | |
 | 193,088 | Jul. 17, 1877 | B. Holly | Improvement in Street Mains or Pipes for Supplying Large Districts with Heat for Warming Buildings | |
 | 260,097 | Jun. 27, 1882 | B. Holly | Apparatus for Supplying Steam | |