Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,702 pages of information and 247,104 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.
221. COTTAM and HALLEN, 2 Winsley Street — Inventors and Manufacturers.
Hydrostatic press for proving girders. The improvements consist in the addition of a dial index, to denote the weight applied by the pump, and of a dead hand to mark the weight at the time, if the object under trial be fractured.
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MW1.43