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CA Patent: CA-935
Machine for regulating the pressure of water in street mains and water pipes
Patentee: J. E. Waterous (exact or similar names) - Brantford, ON Canada USPTO Classifications: Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Apr. 18, 1871 Patent Pictures: [ 1 | 2 ] CIPO Data Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Waterous Engine Works Co.

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