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| All Patents in class 57/327 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,643X | Jan. 21, 1823 | A. Arnold | Improvement in the double speeder, cotton roving machine | spinner | |
| 4,605X | Dec. 15, 1826 | J. Goulding | Mode of manufacturing wool | ||
| RX-97 | Jul. 29, 1836 | J. Goulding | Carding Machine | ||
| RX-98 | Aug. 10, 1836 | A. Arnold | Double Speeder | ||