Elementary course in woodwork ; designed for use in high and technical schools, with one hundred and thirty-four illustrations, by George Alexander Ross (1901)
Ross, George Alexander · Chicago, New York, A. Flanagan Company · leaf 102
pitch of the roof. The pitch of the roofis determined by the distance the peak of the roofrises above the walls; thus if a roof has a quarter pitch,the peak would rise above the walls one quarter thewidth of the building; if half pitch the peak would rise 98 ELEMENTARY COURSE IN WOODWORK. one half… … Fig. iia margin of the upper-chord of the truss. By bisectingA, B, and erecting a perpendicular at D, to C, we divide.the triangle A, B, C, into two triangles, A, D, C, and B,D, C. Now, the line A, C, is the hypotenuse of the right-angled triangle A, D, C. We had one example of find-ing the length…
Woodwork (Manual training)
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