biography
| sex:
| male
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| lived:
| (1824–1905)
|
| biography:
| Manufacturer and engineer, born in Delaware Co, Pennsylvania, USA. In 1848 he began to manufacture machinists' tools and mill gearing in Providence, formed William Sellers & Co (1886), and developed formulas for machining screw threads and nuts. He was also director of several railroads in the 1860s–1870s. |
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