Upham, Arthur Aquila, 1853- [from old catalog] · New York and Chicago, E. L. Kellogg & co. · leaf 56
gauge to get the thickness of the pieces,and be sure that the narrow sides of the tongues are cutsquare with the broad faces; otherwise they will not fit. Varieties of this may be made by mortising a and c,making a keyed mortise-and-tenon joint. It will be seen that such a combination of three… … XXXIII. given on the theory of the truss, and its use in bridgesand roofs. Lessor XXXVIII.—To make a dowel-joint. Working Material.—1 piece \\ square and 6 long, 1piece 3 wide, 1 thick, and 6 long. Drawing.—Side and end view. (See Fig. 33.) Directions.—A dowel is asmall pin of wood or…
Woodwork (Manual training)
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