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 23
point of intersection with the other, thus Right Angles with sides Oblique. Ex. 36. Repeat Ex. 33 with the sides in various oblique posi-tions, and of various lengths, thus : Ex. 37. In like manner, repeat Ex. 34, thus: -l -r y y- Ex. 38. Similarly, repeat Ex. 35, thus, but in each case make the… … 10 FREE-HAND GEOMETRICAL DRAWING. PAIRS OF PARALLELS AT RIGHT ANGLES. The Pairs Horizontal and Vertical. Many variations can be made, and shonld be, in the order ofdrawing each, of the following figures. Thus the vertical linescan both be begun at top or bottom, or one in each way; alsc,the…
Geometrical drawing · Mechanical drawing
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