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US Patent: 109,118
Improvement in lubricators
Patentee:
Isidore Dreyfus - New York, NY

USPTO Classifications:
184/51

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

Assignees:
None

Manufacturer:
I. Dreyfus - New York, NY
Nathan & Dreyfus - New York, NY

Witnesses:
William G. Ulery
J. G. Dreyfus

Patent Dates:
Granted: Nov. 08, 1870

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Nathan & Dreyfus
Description:
"My invention relates to that class of lubricators in which the feed of oil is effected by means of steam, which enters and condenses in the lubricator, and thus causes the displacement of a corresponding quantity of oil, which overflows and passes down one or more tubes leading from the lubricator to the part to be lubricated..."

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