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 37
nners in theirattempts to solve this problem without properly understanding what they are 28 DESCRIPTIVE GEOMETRY doing. The student is urged to make frequent use of some commonplace modelof the planes of projection, arranged at right angles to one another, and to markupon them projections of lines… … Fig. 25. projections and also to imagine or picture them, for cases described, without havingto VianHlp a moHel. to handle a model EXERCISE XII Find projections for the following lines:— (i) AB, 2\ long, inclined at 45° to the H.P. and at 30° to the V.P. (2) CD, 2\ long, inclined at 50° to the H.P.…
Geometry, Descriptive
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