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
A drawing manual by Samuel Edward Warren, published by John Wiley & Sons in New York in 1878 for draughtsmen, artisans and teachers of industrial and mechanical drawing. The plates are line-only diagrams: construction lines, hatching and dotted guides building stars, rosettes, chevron tilings, mouldings and solids, useful as geometric pattern stock, technical-diagram texture, or grid-based ornament.
