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 153
214. When one horizontal timber meets another, it is acommon practice, if the proportions of the pieces are favorable,to employ a double mortise and tenon, Fig. 252, A being ITig. SOI ill Fig. Q^S \^M … ELEVATION. supported by B, This method cannot be recommended, how-ever, because B is very much weakened by the mortises.With reference to B only, the best place for the mortise is onthe neutral axis (in the center of the timber), while with refer-ence to A only, the tenon should be on its lower…
Woodwork (Manual training)
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