US Patent: 41,889
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| Tool Rest
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Patentee:
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| Addison Hathaway (exact or similar names) - Chicopee, Hampden County, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Mar. 08, 1864 |
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Joel Havens
"Vintage Machinery" entry for Ames Manufacturing Co.
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Description: |
| Baldwin & son-patent attorneys
My invention consists in making a tool-rest of a hemisphere or segment of the ball of a ball-and-socket joint, (or of the moving portion of a universal joint,) so that while the post always remains perpendicular to the plane of the lathe, the tool can be turned freely in a horizontal plane, or be so inclined at an angle to the post as to permit its point or cutting-edge to be elevated or depressed, to turn varying diameters, without elevating or depressing the post.
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