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Matthew Simpkin
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Individual
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Individual
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Publication of GB189912099ApublicationCriticalpatent/GB189912099A/en
12,099. Simpkin, M. June 10. Spikes.-The spike is for securing railway chairs to sleepers, ironwork to timber, &c. The spike has the part A B of its shank cylindrical, and the part B C tapering. The point is wedge-shaped as shown, and the diameter at D is the same as the diameter of the part A B.
GB189912099D1899-06-101899-06-10A Spike for Securing Railway Chairs to Sleepers, Iron Work to Timber, and Fastening of Timbers.
ExpiredGB189912099A
(en)