Bench work in wood: a course of study and practice designed for the use of schools and colleges (1902)
Goss, W. F. M. (William Freeman Myrick), 1859-1928 · Boston, Ginn & company · leaf 152
f the samenominal size vary in their breadth and depth. The ends ofthe deeper ones must therefore be cut or notched, as shownby Fig. 244, to make them agree in depth with the lightesttimber of all. Properly speaking, this is a preparation for thebearing of one timber on another, and not a joint;… … 210. Cogging is represented by Fig. 247. It has someadvantage over notching in point of strength, inasmuch as thetimber B has its full depth over its support. The cog Amakes the union between the two timbers, as a joint, quite assatisfactory as the double notch. If the surrounding conditions…
Woodwork (Manual training)
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