The principles of pattern making, written specially for apprentices and students in technical schools (1900)
Horner, Joseph Gregory, 1847-1927 · London, New York, Pitman · leaf 54
s CONSTRUCTIONAL JOINTS. 43 than one thick piece. When any thick piece of stuff,even though well seasoned, is cut and opened out tothe air, it almost invariably undergoes more alter-ation in form than several thin pieces would do. Byadopting the device shown in Fig. 26, there is also alittle… … -A Fig. 26. Section of built up Core Box. in the direction of the width, which in boxes of thiskind is always liable to occur, because of the differencein thicknesses at D and E. In Figs. 27-31, common constructional joints ofanother type are shown. These are termed half lapjoints, or halvings.…
Patternmaking
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