Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 32
part forlarge ones. WTiere two or more pieces assembled together are shown in section,the different parts are shown more clearly by sloping the section linesin opposite directions where the parts join. THE LESSON.—The important point in this lesson is the methodof showing a piece in section. Make a…
Mechanical drawing
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