Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 29
b.0 -1&S^&- … ELEMENTARY PRINCIPLES AND DEFINITIONS. II shows a half, sectional elevation, and Fig. n another exampleof detail sectioning. 26. Drawing Sections.—In drawing sections it is customarynot only to draw the cut portion, but also all points and lines thatare visible when viewing the section; however, it…
Mechanical drawing
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