A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 465
36 {a),the base is divided into a convenient number of equalparts (1^ in Fig. 36). Next, the elements are drawn in bothviews, and it may then be seen that the surface of the cone isdivided into a number of triangles whose common apex isat o, the vertex of the cone. In the elevation, the elements… … \\ \ \ ■ X^ V / / / Fig.36 Draw the right angle / ;// // and set off ;// o, the verticalheight of the cone. The length of each element shown in the plan at (a) isnow set off on the line ;//;/; thus, make //i^ at (/?) equalto ^^ in the plan at (a), inf at (/-) equal to o f zX. {a), etc.DraAv 0g, of,…