Mechanical DrawingA textbook introducing the basic theory, techniques, and uses of drafting for industrial arts and vocational high school students. |
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Page 76
... point on the line ( first method ) . Fig . 4-8 To draw a perpendicular line to a given line at a given point on the ... locate point D. Draw a line through points D and C , extending it through the arc to locate point E. Connect points E ...
... point on the line ( first method ) . Fig . 4-8 To draw a perpendicular line to a given line at a given point on the ... locate point D. Draw a line through points D and C , extending it through the arc to locate point E. Connect points E ...
Page 77
... point O. Draw lines from point O to any two points on line AB , locating points C and D. With C and D as centers and ... locate point C. With point C as the center and the same radi- us R1 , draw an arc through point P and line AB to ...
... point O. Draw lines from point O to any two points on line AB , locating points C and D. With C and D as centers and ... locate point C. With point C as the center and the same radi- us R1 , draw an arc through point P and line AB to ...
Page 81
... point D to complete the triangle .』- PROBLEM : Construct a square . 0 0 B Given a circle with center point O. Construct 45 ° diagonals through the centerpoint Oto locate points A , B , C , and D. Connect A and B , B and C , C and D ...
... point D to complete the triangle .』- PROBLEM : Construct a square . 0 0 B Given a circle with center point O. Construct 45 ° diagonals through the centerpoint Oto locate points A , B , C , and D. Connect A and B , B and C , C and D ...
Contents
TwentiethCentury Drafting | 1 |
Sketching and Lettering | 10 |
The Use and Care of Drafting Equipment | 42 |
Copyright | |
27 other sections not shown
Common terms and phrases
airbrush aircraft AMERICAN NATIONAL STANDARD angle ANSI arcs auxiliary view axes axis basic block bolts centerline CHAMFER chart circle circuit cone construction curve cutting plane cylinder developed diagram diameter dimension line distance drafter drafting drawn DRILL edge view electrical electronic ellipse engineer's scale engineering Figure finished flat floor plan front view gear graphic height hexagon hidden lines hole horizontal inch inclined intersection isometric drawing isometric projection layout letters locate point machine material measure metric metric system MICROINCHES multiview needed Note nuts object paper parallel pattern pencil perpendicular pictorial drawing pitch PLATE PROBLEM projection PROJECTION WELDS radius reference plane revolved rivets scale screw threads shape sheet shown in Fig shows side view sketch space spur gear square steel structural surface T-square tangent technical drawing technical pen templates thick three views tion top view triangle true length vertical WELDING SYMBOL width