Modern carpentry and joinery : being a compilation of the very best things and most modern and practical methods known in the arts of carpentry and joinery (1910)
Hodgson, Frederick Thomas, 1836- · Chicago : F. J. Drake & Co. · leaf 316
direction by the three sides of a triangle taken inorder. MECHANICS OF CARPENTRY 313 Example 1. The forces acting upon A (Fig. 8) arein equilibrium. Since the length of the line A B=n5 units, and theline B D is parallel and equal in length to A C=4: units,and the diagonal D A is in a line with the… … Pig. 8. To save confusion it is usual, however, to draw aseparate triangle to illustrate these forces. A some-what different system of lettering also simplifies theconsideration of the examples. This is known as Bowsnotation. In it the two letters denoting a force areplaced on each side of the line…
Carpentry
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