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 50
ght angle, in Fig. 43 the true inclination betweenthe traces of the plane is the angle between ST and a line from S through />3 orthrough p2. This angle may be greater or less than a right angle according tothe arrangement of the traces of the oblique plane given. In Fig. 44 is shown the… … Fig. 43. one end of it at any convenient point hh, the other end of it in Al at c. The planhe is then moved, by an arc with h as centre, to bring the lower end of the lineinto the H.T. of the plane at a. The projections of the line are ah, ab\ and itsrabattement is at ah-i or at ah?.. An…
Geometry, Descriptive
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