Mechanical Drawing: Working Drawings |
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allel base bisect black ink called center and radius center line complete in pencil conical surface curved cutting arc cutting plane cylinder diameter dimension lines Divide dotted lines draw a circle draw a semicircle draw an arc draw arc drawing complete equal spaces eraser EXTRA PLATE follow the order front view frustrum full lines given line given point heavy lines hexagon hole horizontal line INKING When inking intersecting isosceles triangle Lap Joint line A B locate the drawing locating points margin lines mechanical drawing Mitre Joint Mortise and Tenon object lines Oblique lines ORDER FOR INKING order given parallel pencil before inking piece PLATE 12 prism pulley radius equal rectangles on pages regular polygon right angle ruling edge scale scalene triangle secondary lines sectional view sheet shown in Fig side view small letters square straight angle surface tangent three views top view upper vertex width woodworking joints