A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 493
ting, pieces ofwood called ^uys arelet into a dovetailedgroove in the back, asshown at a, Fig. 12.These keys are eitherplaned off flush withthe surface into whichthey are sunk, or,when extra strengthis required, they maystand up from theback, as shown at /kThey should not beglued in position,… … Fig. 12. §10 JOINERY. 13 It). Clamping:.—Boards are sometimes maintainedagainst warping by means of elamping, as shown in Fig. 13.The boards a and /; are doweled or tongued-and-groovedtogether on their interior edges to form a close joint, as atc d^ and the clamps Ji^j are glued over tongues worked…
Architecture · Building
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