Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,259 pages of information and 244,500 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
Nephew of Robert L. Stevens
1839 Inventor of the Stevens cut-off and valve gear for marine beam engines
1840 The Stevens cut-off was first applied on the engine of the steamboat Albany; also applied on the Columbus owned by his uncle Robert.
1841 Gained a patent for this device. Francis sold a half share in the patent to his father, James A. Stevens.
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