Page:Sheet Metal Drafting.djvu/236

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222
SHEET METAL DRAFTING

from Fig. 314 in the order given above. Perpendiculars are erected as shown and since the planes of the transition are parallel all triangles will have the same altitude. This altitude is shown

Figs. 314-321.—Breeches.

by line 6-A of Fig. 315. Perpendiculars erected at points O, N, M, K, and H establish the position of these points on the hypote-