Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 16
zontally as at (ii), and then its plan, the full length of the line,will show with XY the angle required. Let it be required to fmd the true lengths of any Hnes AB, Fig. 4. and CD,Fig. 5, and also their inchnations to the planes of projection. Their plans andelevations are shown at ab, ab, Fig. 4… … Y X Fig. 4.
Geometry, Descriptive
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