Perspective and geometrical drawing adapted to the use of candidates for second and third-class teachers' certificates (1887)
McGuirl, Thomas H. [from old catalog] · Toronto, W. Briggs; · leaf 85
ully remembered,that the so-found point K or L, must be joined to S or Krespectively. Such lines, KS, LN, M C.Y., etc., will all passthrough same point X, which may be considered as a locusfor all such lines. For convenience, however, the line O C.Y.should be used, unless the solid be directly in… … THE CONE. 81 sary to draw the tangents from it to the circle. We give aparticular example:— Draw a cone whose base = 6 in diameter and slant height 6\The cone lies on its side; pla^ie of base, _|_ to P.P., and theline joining the centre of base with the vertex is parallel tothe P.P. and 4 from it.…
Geometrical drawing · Perspective
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