Summary

Ellsworth M. Longfield,  Sheet metal drafting — Chapter IX: Frustums of Rectangular Pyramids (1921)

“ Only one corner of Fig. 191 is treated for rivet holes, but it is required that the rivet holes for all corners be located. The 5⁄8-inch edge for covering the 1⁄4-inch rod may now be added to complete the pattern.
The Bail—The bail is shown in Figs. 189 and 190 by dotted lines. Since the bail is below the top line of the pan, it must be drawn carefully in order to scale the dimensions accurately. It is generally placed so that the bail ear will be to the rear of the center. The ear is attached in such a manner that the "stop" will maintain the bail in an upright position.
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Source: Wikisource

Ellsworth M. Longfield,  Sheet metal drafting — Chapter IX: Frustums of Rectangular Pyramids (1921)

“ The spacings of the profiles are set off upon these fines of stretchout, the spacings A,B,C, and D being taken from Fig. 190, and the spacings E, F, G, and H being taken from Fig. 189. Measuring lines are drawn at right angles to the line of stretchout through each of these points. The flares 5 in., 3 in., and 2 in. should now be set off at their respective corners as shown in Fig. 191. The inclined lines representing the meeting lines of each corner should be put in.
A 3⁄4-inch lap is added to each corner of the sides of the pan, and a center line for the rivet holes drawn in.
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Source: Wikisource

Ellsworth M. Longfield,  Sheet metal drafting — Chapter IX: Frustums of Rectangular Pyramids (1921)

“ This is accomplished by folding the corners of the pattern so that they will lie flat against the ends.
Standards of Construction.—All dripping pans have a standard flare of three-eighths of an inch as shown in Fig. 186. They are wired with No. 8 tinned or coppered wire. The measurements for this type of pan are always understood to be measurements of the top of the pan outside of the wire. The dimensions of the bottom are always 11⁄4 in. less than the measurements of the top. Thus, a 12 in.×18 in. dripping pan measures 12 in.×18 in.
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Source: Wikisource

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