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 117
the recorded measurements without con-fusion, or obscurity. By practice in thus carefully sketching, and neatly and com-pletely measuring the parts of any structures accessible to him,of wood or iron, or masonry work, or machines, or parts ofthem, the learner will not only learn to make such…
Geometrical drawing · Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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