Elements of plane and solid free-hand geometrical drawing, with lettering; and some elements of geometrical ornamental design, including the principals of harmonic angular ratios, etcIn three parts ..for draughtsmen and artisans; and teachers and students of industrial and mechanical drawing . Aa»^Y<i jt I 1 B. ?^-^ J» I. -^ 1 u ffl ^ 3h % \ J fytJ \ X ^v n \ \ \ \__X__-__N>^ a. \ ..\ ^\ - J 1^—^ ^^^

---

Size: 1663px × 1502px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmechanicaldrawing