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 504
n ah\This vertical plane will also contain the line Jg, which is on theupper surface of the pyramid immediately above ef. Draw a projector from g till it meets the corresponding edgeof the pyramid in g\ Draw gf parallel to no, touching theedge of the prism in i. Join ci. XXXV INTERPENETRATION OF… … Fig. 275. the prism on plan, and join them. These give the plan of theinterpenetratiou of the pyramid with the top of the prism. 2. To develop the line of interpenetration. At any con-venient point I on XY draw a perpendicular to represent theedge i of the prism. From I set off on XY the points C,…
Geometrical drawing
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