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 79
PL.V. … CHAPTER IX. LETTERING. General Principles. Lettering, though not strictly a part of a drawing, is a neces-sary appendage to it, it being generally indispensable to the fullunderstanding and intended use of the drawing. And as, also,there should be uniformity of accuracy and elegance in all partsof…
Geometrical drawing · Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
