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 94
y determined in perspec-tive, if drawn in any but a direct view. The sphere rests on theground at a point directly beneath the centre, and it touchesP.P. at a point perpendicular to the vertical, from the centre.Example 1,—Draw a sphere, radius 2, resting on groundat a point 3^ to right and 2… … 90 DRAWING. Here CA = AB = AD = AE = 4^ EF = FM = 2, Gr=llhence K is centre at intersection of diagonals and HK = GF.(Fig. 53.) !NoTK—The sphere will not touch the P.P. unless HK =KF. Example S,—Draw a cube, edge 4, touching P.P. 4 to right, and in this place a sphere whose radius =sphere will…
Geometrical drawing · Perspective
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