Mechanical drawing for industrial and high schools (1917)
Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 28
l section is indicated, it is usually imderstoodthat the cut is made along the center line of the view from whichthe sectional view is projected. In this lesson the section is takenon the vertical center line of the end view. THE LESSON.—^The important feature of this lesson is theprinciple of…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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