US Patent: 19,051
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| Turning-lathe
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Patentee:
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| William D. Sloan (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jan. 05, 1858 |
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Jeff Joslin
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Description: |
| "This invention consists in combining with a series of rotating mandrels d, arranged about a common centre, and so arranged that the blocks f, which they carry and turn, can be shifted in succession from one position to another, to undergo a succession of operations, a series of radial rests o so arranged that they are forced outward to give support to the said blocks when rotated and acted upon by suitable cutters, and drawn inward to relieve the said blocks preparatory to the shifting operation." |
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