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Thomas Clement Farrell
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9891. Farrell, T. C. May 13. Walls; columns; concrete buildings.-Planks b, b<2> for retaining concrete in the construction of walls, columns, piers, &c. are connected together by flanged shoes c of H-shape in cross-section, and straight, angular, T, or forked shape in plan. The webs of the shoes are formed with rounded crossribs d<2>, which are perforated to receive the connecting-bolts e, and formed with spikes to hold the planks in place.
GB190109891D1901-05-131901-05-13Improvements in Apparatus for use in Concrete Building.
ExpiredGB190109891A
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