Fry, Horace Pugh. [from old catalog] · Philadelphia · leaf 19
ld touch the lines at whichFig. 14. the hidden edge actually terminates. (See Fig. 14.) THU5_NOT 16 4. When parallel dotted lines lie close together, stagger thedashes and spaces as shown in Fig. 13. The eye then can morereadily follow the lines. 5. The full lines in the two views, Fig. 15,… … Fig. 15. 6. Center lines are long dash and dot black lines somewhatlighter than the outline. (See Fig. 13.) They are drawn throughall axes of symmetry, the centers of all holes, bolts and rivets andwhere dimensions are to be given from some fixed line. The breakshould not occur where a line is…
Mechanical drawing
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