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Ernest Ferdinand Wiederholdt
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Individual
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Individual
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Abstract
3150. Wiederholdt, E. F. Feb. 10, 1906, [date applied for under Patents Act, 1901]. Building-blocks; facing-blocks.- A reinforcedconcrete wall is formed without using moulding- boards, by laying courses of H-shaped blocks 3, in which the concrete is cast. The blocks may be grooved on the inside, and the transverse webs are shallow at the centre so as to allow the horizontal bars 5 to lie below the bed joints, and also for the concrete filling to be continuous throughout. The blocks may be curved, instead of straight, for building curved walls, chimneys, &c.