US Patent: 47,561
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| Improved lubricator
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Patentee:
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| Leverett Homer Olmsted (exact or similar names) - Newark, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 02, 1865 |
USPTO (New site tip) Google Patents
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Jeff Joslin Vintage Machinery entry for L. H. Olmsted
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Description: |
| The invention is a hollow shaft with a small hole drilled at each pulley location, the hole being covered by a piece of leather that allows the lubricant to slowly wick out. |
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