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 114
Fig. 71. Let AB be the given line; draw DE parallel to AB oneither side, and on this line set off the required number of GEOMETRICAL DRAWING. 109 eqnal distances (in this case five); then join each point ofsection with A, which will divide AB into the same numberof equal parts. (Fig. 71.) (c) To… … Figr. 72. Let it be required to so cut AB, that the smaller partshall be to the greater, as the greater is to the whole line.Let any line CD not equal to AB, be cut in G, so thatCa:GD::GD:CD; place CD parallel to AB, and join CAand DB; produce them to meet in E; join EG to cut AB inF; then will AF:…
Geometrical drawing · Perspective
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.