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US Patent: 57,418
Lubricator
Patentee:
Nelson J. White (exact or similar names) - Lawrence, Essex County, MA

USPTO Classifications:
123/179.11, 184/80

Tool Categories:
propulsion and energy : steam engines : steam engine lubricators

Assignees:
Samuel C. Woodward - Lawrence, Essex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 21, 1866

Patent Pictures:
USPTO (New site tip)
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