Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,812 pages of information and 247,161 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.
1921 Exhibited a precision temperature control apparatus for use in connection with the heat treatment of steels and alloys, the manufacture of chemicals, the annealing of glass, the manufacture of varnishes, and particularly the carbonisation of coal for the recovery of oil.
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