Fry, Horace Pugh. [from old catalog] · Philadelphia · leaf 48
aced in thespaces previously provided. 10. In general, the same views, sections, etc., which wouldbe used in making working drawings are used in sketching, exceptthat in sketching many abbreviations are used to simplify the 45 work. For example, in Fig. 39 only one view of each detail isshown, the… … Fig. 38. are round and hexagonal. In the same way Sq. for square, Oct.for octagonal, and other abbreviations are used. (See Abbre-viations, Fig. 20.) 46 11. When a piece is symmetrical about an axis, a view ofone-half of it is sufficient. (See Fig. 3S.) By taking advantageof these and similar…
Mechanical drawing
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