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. - Warren, S. Edward (Samuel Edward), 1831-1909. (New York, J. Wiley & sons, 1878)
Keywords: Geometrical drawing; Mechanical drawing