Perspective and geometrical drawing : adapted to the use of candidates for second and third-class teachers' certificates (1887)
McGuirl, Thos. H. (Thomas H.) · Toronto, Ont. : W. Briggs · leaf 42
ing on G.P. directly in front;end parallel with P.P. and 2 within it. 8. A wall, whose height is 8, begins at a point 10 to left,and stretches inwards indefinitely ; at distances of 10 and 20doors 5x3 are made in it. Draw it. 9. Draw an oblong 6 x 4, lying on ground, sides parallelto P.P. and 2… … THE TRIANGLE. 39 o The Triangle. A triangle is a figure enclosedby three straight lines; thesemay be of uniform length, butthe length of any two takentogether must be greater thanthe third. The triangle cannot be con-veniently drawn alone, but isdrawn with reference to an ob-long. Triangles are…
Geometrical drawing · Perspective
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