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Introduction 1 1
Lettering 2 1
Use and Care of Instruments 3 1
24 other sections not shown
auxiliary plane auxiliary projection auxiliary view axis axonometric projection base beam bolt Cavalier projection center line circle CM CM CM cone construction contour lines convenient Courtesy curve cutting plane cylinder detail diameter distance draftsman drawing drawn drill edge edgewise view ellipse engineer's scales engineering face figure front view gear given hole horizontal line illustrated in Fig inch indicated isometric layout letters line parallel located machine metal method necessary noted object oblique projection obtained OOOOO OOOOO OOOOO pencil perpendicular perspective picture plane piercing point pipe pitch placed plane of projection plane perpendicular point of sight position Prob problem projecting lines radius reference line rivets scale screw screw thread shape sheet shown in Fig side sketch slope space specified standard straight line surface symbols T-square tangent thickness thread tolerance top view triangle trimetric projection true length usually valve vanishing point vertical plane welding