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US Patent: 616,539
Boiler Tester
Patentee: Leopold Kaczander (exact or similar names) - New York, NY USPTO Classifications: 417/176 Tool Categories: propulsion and energy : steam apparatus : stationary boilers : boiler washout apparatus propulsion and energy : steam apparatus : stationary boilers : feedwater apparatus Assignees: Nathan Mfg. Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 29, 1898 Granted: Dec. 27, 1898 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Nathan & Dreyfus; Nathan Mfg. Co.

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