Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 234
of 45°. This doesnot mean that they form anangle of 45° with the Y.P. Letus illustrate this with a model. Take a sheet of notepaperand draw a diagonal to each ofits inside pages, as ah and ic, Fig.16. ISTow stand it on a tableagainst the 45° angle of a set-square. The two pages will thenrepresent… … FiK. 16. 214 SOLID GEOMETRY chap. Peoblem 6. To project a quadrilateral lorism 7-i- X 3f X 3f, resting on one ofits shorter edges on the H.P., with its longer edges inclinedto the H.P. at an angle of 60°, and in vertical planes inclinedto tlic V.P. at an angle of 4:5°; one of its lower corners to…
Geometrical drawing
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