Kenison, Ervin, Bradley, Harry Cyrus, 1871-1936 · New York : The Macmillan Company · leaf 76
Fig. 100. Fig. 101. In a second example, Fig. 101, the axis of revolution istaken through the point b and perpendicular to V. The truelength appears after the line has been revolved parallel to //. 79. The Angles Which a Line Makes with the Coordinate Planes.A line in the position ac (<<hch,…
Geometry, Descriptive
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