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 225
izontal plane. Wewill now trace it on each plane as before, then by spreadingthe paper out flat we get a drawing as shown in Eig. 4. 204 SOLID GEOMETRY The student should compare Fig. 1 with Fig. 2, as well asFig. 3 with Fig. 4, so as to thoroughly understand the relationbetween the co-ordinate… … Fig. are here represented by dotted lines. The points in which theselines meet the two co-ordinate planes are called projections: ifthey are on the vertical plane they are called vertical projections,and if on the horizontal plane horizontal projections, of the dif-ferent points; e.g. a is the…
Geometrical drawing
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