olumns they are con- niently extract them. If he can, they are prefcrable to the ployed. This is never to be cut out of the block, but formed structed like boxes or troughs, with pieces filled in at short in extra pieces. The cabling on the side is made by fasten- dovetails, as these latter are… … on each side, called wings; the bar itself is made to taper off core prints, at F F, inches face, and 14 inches toa narrow ridge towards the under part, as also are the are carried to the top deep, to be of the styleshown in Fig. 171. Select a block sim- : The sand, being rammed of the pattern; and…
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