A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 400
hout. It will be seen that if\ stringequal in length to %v w should be stretched around the cubein a horizontal direction, it would exactly reach the entiredistance, and the ends Avould meet, in Fig. 11. at theedge A. The next step is to erect perpendiculars to the stretch-out MN that shall pass… … Fig. 12 since they represent, in the development, those portions ofthe surfaces that would form the edges of the solid if thepattern were to be cut out and formed up to the shapeindicated by the projections. Edge lines are to be repre-sented in these drawings by dash-and-dot lines, as shown inFig.…
