Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 106
were, in front of the objects ; but inelevation, towards the right hand and foot ofthe sheet (figs. 188, 187). It will be observed in the illustrations ofthis work, that in the tinted drawings, theshadow is thrown according to the Frenchsystem ; that is, the light is supposed to fallon the drawing… … Fiff. 188. PROJECTIONS OF SIMPLE BODIES. Projections of a regular hexagonal pyramid (PL I, II).—It is evidentthat two distinct geometrical views are necessary to convey a completeidea of the form of the object: an elevation to represent the sides of thebody, and to express its height; and a plan of…
