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CA Patent: CA-34,491
Automatic low water indicator
Patentee: Thomas Northey (exact or similar names) - Toronto, ON Canada USPTO Classifications: Tool Categories: propulsion and energy : steam apparatus : stationary boilers Assignees: None Manufacturer: Northey & Co. - Toronto, ON Canada Witnesses: Charles C. Baldwin Charles H. Riches	Patent Dates: Applied: Nov. 10, 1888 Granted: Jun. 09, 1890 Patent Pictures: CIPO Data Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Thomas Northey

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