Grace's Guide
British Industrial History
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 136,062 pages of information and 218,544 images on early companies, their products and the people who designed and built them.
Stiles and Parker (USA)
From Graces Guide
of Middletown, Conn.
A former employee, F. C. Fladd, provided some recollections of his time at the Mill Hollow works in the 1870s. He recalled seeing "R & C Johnson, 1827" inscribed in a keystone.[1] See Early Milling Machines for mention of Robert Johnson in the context of a simple milling machine from 1818.
See Also
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