Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,859 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.
of Lemington, near Newcastle.
1849 Elsdon's proposed reversing apparatus for locomotives described and illustrated.[1]. It eliminated the need for a pair of eccentrics, but required two slide valves per cylinder. The reviewer was not impressed by the proposal.
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MW1.43