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 . Ex. 71. Kepeat the divisions of the right angle, given in the 26 FEEE-HAND GEOMETEICAL DRAWING. preceding examples, upon right angles in various oblique podtions as in Ex, 36. Practioal Ex. 72. A four pointed star, requiring two lines at rightangles to each other, and the equal bisecting lines
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 . Ex. 71. Kepeat the divisions of the right angle, given in the 26 FEEE-HAND GEOMETEICAL DRAWING. preceding examples, upon right angles in various oblique podtions as in Ex, 36. Practioal Ex. 72. A four pointed star, requiring two lines at rightangles to each other, and the equal bisecting lines of those angles.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmechanicaldrawing