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 372
rect a perpendicular to XY on point h tillit meets the Y.T. in li. Draw the projector gg, and join gl-i,cutting the projector from o in d. Produce the diagonal throughtg till it meets XY in I. Draw the projector IV, and from V■draw a line through o. Where this line cuts the corresponding SECTIONS… … Fiff. 160. draw a line through o till it meets the corresponding edges ofthe pyramid in elevation in the points V and e. Treat thediagonal sj) in the same manner to obtain the points / and c.Join these points, as shown, to obtain the elevation of the section.From each of the points in the elevation…
Geometrical drawing
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