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Thomas Wigston Kinglake Clarke
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Individual
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Publication of GB190615807ApublicationCriticalpatent/GB190615807A/en
15,807. Clarke, T. W. K. July 12. Washers; nuts.- Washers used in bolting together flanges, plates, &c., of which the surfaces are not parallel, or the boltholes are out of alinement, are made as segments of hollow or solid spheres, as shown at a, and the bolt-heads and nuts b, c are made concave to correspond.
GB190615807D1906-07-121906-07-12Improvements in Bolts, Nuts and Washers.
ExpiredGB190615807A
(en)