US Patent: 861,213
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| Pump
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Patentee:
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| Thomas Henry Collett Homersham (exact or similar names) - Bradford, Yorkshire, England |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 27, 1906 |
| Granted: |
Jul. 23, 1907 |
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Jeff Joslin
Vintage Machinery entry for Vulcan Iron Works, Thwaites Bros.
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Description: |
| Piston pump where pumping rate is varied without varying stroke length; instead, a varying part of the full stroke length is rendered ineffective so as to reduced the average pumping rate. This is the US equivalent of British patent GB-190,522,834. |
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