Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 114
Fig. 399.—Gearys Patent Block Floor. distance apart, whether on the end or side,and therefore the blocks can be laid inseveral combinations. In Gearys patent(Fig. 399) each block is fixed to the masticbv means of two metal keys driven into the … FLOORS. 97 ends of the block ; these project from thebottom, and are buried in the bed material.The key is drawn to enlarged scale in Fig.400 ; it is easily knocked out when a blockhas to be cut, and is re-inserted in a smallmortise. A half dovetail groove is alsoworked on the side of each piece,…
Carpentry · Joinery
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