Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,367 pages of information and 244,505 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.
of Etruria, Stoke-on-Trent
1925 Hartley, Sons and Co of Stoke-on-Trent, were awarded the silver medal of the Royal Sanitary Institute for their "Spiroflow" system of bio-aeration treatment for sewage.[1]
1926 Advertised for sale a 350 HP triple expansion vertical steam engine, 15 ft flywheel, by Scott and Hodgson, having been replaced by a larger engine[2]
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