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 53
Fig. 48. EXERCISE XVIII Find the inclination to the given oblique plane, of the line AB in each of the cases showna.t A, B and C. … POINTS AND LINES IN RELATION TO OBLIQUE PLANES 45 POINTS AND LINES IX RKLATION TO OBLIQUE PLANES Sectiox 14. Realize by experiment the following facts:—(i) Parallel lines must be projected as parallel lines, i.e., their plans will beparallel, and their elevations will be parallel, to each other.…
Geometry, Descriptive
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