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, etc. In three parts ... for draughtsmen and artisans; and teachers and students of industrial and mechanical drawing (1878)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York, J. Wiley & sons · leaf 49
-^ 1 u ffl ^ Pli.JX 3h % \ J fytJ \ X ^v n \ \ \ \__X__-__N>^ a. \ ..\ ^\ - J 1^—^ ^^^ … CHAPTEK VII. EBOTILINEAE AND CIROULAK COMBINATIONS. Principles. We gain, from observation of ornamental figures, and notablyfrom that entertaining instrument, the kaleidoscope, certainideas, which we will call those of unity, symmetry, and variety,in connection with figures compounded of a greater…
Geometrical drawing · Mechanical drawing
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