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
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:… … Fig. 73. Let AB, CD and EF be the given sides, no two of which,taken together, are equal to, or less than, the third. Takeone of them AB, and with centre B, and distance equal 110 DRAWING. to CD describe an arc; with centre A and distance equal toEF describe an arc cutting former arc in G; join GA…
Geometrical drawing · Perspective
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.