Page:Sheet Metal Drafting.djvu/225

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DEVELOPMENTS BY SECTIONS
211

reasons point G should be located on perpendicular C and point F on perpendicular D. A curved line traced through these points gives a true section on the miter line.

Figs. 301–305—Square to Round Split Header

Because of the intersections of the miter line it will now be necessary to revise the order of triangulation originally adopted when the fitting was considered as two separate square to rounds. The original and revised orders are as follows: