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Expired
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Sydney Charles Wooldridge
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Individual
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Individual
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Publication of GB189726437ApublicationCriticalpatent/GB189726437A/en
26,437. Wooldridge, S. C. Nov. 12. Rods and bars.-Blanks for horse-shoe calks of the form shown in Figs. 3 and 4 are made by cutting the steel bar shown in Figs. 1 and 2 on the line b. The bar is preferably produced by rolling. The part c may be at right-angles to the axis of the bar.
GB189726437D1897-11-121897-11-12Improvements relating to the Manufacture of Self-fastening Frost Cogs.
ExpiredGB189726437A
(en)
An Improvement in the Shape of Bars of Iron, Steel, or any other Substances so as to Avoid Waste of Material in the Making of Square, Hexagon, Octagon, Oblong, or any other Shape of Nut Required.