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 521
rmine the nine points bearing corresponding figures in thecontour at the level of I: this also represents a similar contour 500 SOLID GEOMETRY in the lower part of B at the level of T. Determine the othercontours of B in a similar manner. ]\^ote.—It is sometimes necessary to take additional… … Fig. 284. shown by the dotted line between the levels of H and I in theupper part of B. We must now determine the contours on the plan of thecone. With 0 as centre, and radius equal to the semi-diameter of XXXV INTERPENETRATION OF SOLIDS 501 the upper part of the cone at the level of Gr, draw a…
Geometrical drawing
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