Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 941
e, whereas the clamp G H is strongand incapable of contraction in that direction, and therefore unless the wood is thoroughly dry the twoparts should be connected in a manner that will allow for the alteration of the one alone. This iseffected by the tongue and groove fitting as represented ; the… … If the clamp GIT were fixed by tenons, (one of which, ij, is shown detached in Fjg. 3946,) the confraction of the part of the board between the tenons might cause it to split, the distance between tbi WOODS, VARIETIES OF. 931 mortises in G H beinic unalterable; or the swelling of the board might…
Mechanical engineering
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