. Cyclopedia of architecture, carpentry, and building : a general reference work .... 80 TmSMITHING 23 draw radial lines to the center f. Now using f in to as a centerdescribe the arc //. In similar manner, using as X2<.^\\f(i\fh\fc\f(V and fe in side view, and f in vj as center, describe arcs inter-secting radial lines having similar letters as shown. A line tracedthrough points thus obtained forms the pattern for the conical boss. 1. Fig. Pan. Fig. 26 shows a view of a drip pan with beveledsides. The special feature of this pan is that the corners a and hare folded to give the req
. Cyclopedia of architecture, carpentry, and building : a general reference work .... 80 TmSMITHING 23 draw radial lines to the center f. Now using f in to as a centerdescribe the arc //. In similar manner, using as X2<.^\\f(i\fh\fc\f(V and fe in side view, and f in vj as center, describe arcs inter-secting radial lines having similar letters as shown. A line tracedthrough points thus obtained forms the pattern for the conical boss. 1. Fig. Pan. Fig. 26 shows a view of a drip pan with beveledsides. The special feature of this pan is that the corners a and hare folded to give the required bevel and at the same time have thefolded metal come directly under the wired edge of the pan. Apan folded in this way gives a water tight joint without any sol-dering. Fig. 27 shows the method of obtaining the pattern whenthe four sides of the pan have the same bevel. First draw the sideelevation having a bevel indicated at ^21. Now draw ABCD, arectangle representing the bottom of the pan. Take the distanceof the slant 1 - 2 in elevation and add it to each side of the rect-angular bottom as shown by 1, 1, 1 and 1. Through thesepoints draw lines parallel to the sides of the bottom as extend the lines of the bottom AB, BC, CD and DA inter-secting the lines just drawn. Take the projection of the bevel 31 24 TINSMITHING rt to 1 in side elevation and place it on each corner of tlie pan, as,for example, from a to 1. Dra
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