Burn, Robert Scott · London : Ingram, Cooke, and Co. · leaf 80
inted form may be drawn in perspective by the samerule, varied only to suit the change in their form. The object of squaringthe semicircle in the last figure was to obtain certain points of its outlinewhich, drawn in their perspective positions, would guide the hand in formingthe perspective… … found in its outline by a similar process. First join the two lower cornersby a line ab, draw the diagonals ac, bd; from their intersection draw efpassing through the centre of ab at g. Draw fa, fb, divide each of theminto three parts, and through each division draw lines from a and b to…
Drawing · Wood-engraving
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
