Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,729 pages of information and 247,131 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.
Thomas Parkins, of Dudley, has had a patent for a similar object to the foregoing, which is dated the 3d of December, 1835. It consists in forming continuous sleepers of vitrified earth (burnt clay), which the patentee states are as hard and durable as granite, and impervious to the weather.
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