Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 60
TRUMENTS AND MATERIALS 47 porary work, the most satisfactory templets are cut fromcelluloid about o.oi inch thick. A dark tint is preferable towhite, because of its greater contrast with the drawing paperor tracing cloth. The templet shown at A, Fig. 22, is fordrawing bolt heads and nuts; lines… … Fig. 21. Method of drawing Curves which are Tangent to the Same Radius where they join together case, only half of the design is cut out of the edge of the tem-plet; the other half of the drawing is made by placing thetemplet on the opposite side of the center line. Scales Used by Draftsmen. —…
Mechanical drawing
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