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 101
^ practice in thus carefully sJcetchiiig, 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 sketchesreadily and neatly, which will often be a serviceable… … PL.IM.
Geometrical drawing · Mechanical drawing
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![An illustration from Medical zoology and mineralogy. Or, Illustrations and descriptions of the animals and minerals employed in medicine, and of the preparations derived from them; including also an account of animal and mineral poisons, with figures coloured from nature / [John Stephenson]. (1832)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b22010932-355-3.webp)
