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 . 40 FBEE-HAKD GEOMETRICAL DKAWING. rhombuses, having a diagonal in common, the beautiful eggshaped curve will be formed, thus:.

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmechanicaldrawing