Modern Engineering Practice: A Reference Library...American School of Correspondence, 1906 - Engineering |
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addendum circle arcs axis base belt bolts border lines center line circumference Claude Fayette Bragdon cone curve cylinder diagram diameter dimensions distance draftsman edge ellipse Engineering equal face figure gear given ground line guide pulley height helix hole horizontal lines horizontal plane horizontal projection hypocycloid inches long intersection isometric left-hand letter line A C line drawn line of measures line parallel located machine method motion object oblique projection observer's eye paper perpendicular perspective projection picture plane piece piston pitch circle plan and elevation plate position prism Problem pyramid radius rectangle represent right-hand screw screw threads shade lines shaft shown in Fig shows space square station point steam straight line student surface system of lines T-square tangent thread tion triangle true length upper valve vanishing point vanishing trace vertical line vertical projection visual ray width