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Publication of GB241634ApublicationCriticalpatent/GB241634A/en
241,634. Hardy, T. July 26, 1924. Bricks, special shapes of. - Hollow blocks for fitting against, and wholly enclosing, vertical steel stanchions e of H or I section are provided on the end faces with pairs of vertical recesses c and a depressed part d. Grooves may be prvoided on the upper and lower faces of the blocks.