Ornamental drawing, and architectural design. With notes, historical and practical. Upwards of 200 illustrations (1857)
Burn, Robert Scott · London, Ward and Lock · leaf 14
10 ORNAMENTAL DRAWING, Example 3, fig. 3, shows a square placed diagonally. Join abed by lines crossing in e ; draw lines corresponding to these as e /*, f g, fig. 4 ; … take half of c d, fig. 3, as c e, and set it off from to, fig. 4, to e, h, g,f • join these, and parallel to them draw the internal squares. Example 4, fig. 5, is the “lozenge” or diamond shape. Fig. 6 shows the manner in which it is drawn : two lines, c b, e d intersect, at a; a c,
Architecture · Decoration and ornament
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Cosmographia Francisci Mavrolyci Messanensis Sicvli : in tres dialogos distincta, in quibus de forma, situ numerʹoq[ue] tam coelorum q[uam] elementorum, alijsq[ue] rebus ad astronomica rudimenta spectantibus satis disseritur (1543)](https://img.insideoutlibrary.com/img/200/ia-cosmographiafran00maur-157-0.webp)