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US Patent: 25,486
Steam Boiler Indicator Steam Pressure Indicator or Alarm
Patentee: Samuel W. Brown (exact or similar names) - Lowell, MA USPTO Classifications: 122/504.2, 236/101R Tool Categories: propulsion and energy : steam apparatus : stationary boilers Assignees: None Manufacturer: Not known to have been produced Witnesses: E. W. Scott Henry J. Colburn	Patent Dates: Granted: Sep. 20, 1859 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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