Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 681
/ 664: ARCHITECTURAL CONSTRUCTION. … Fig. IBOl. neatli a flower on the face of the abacus. The sides of the abacus are concavein plan, being curved outward so as to produce a sharp point at each corner,which is usually cut off. Fig. 1601 represents one of the capitals of the Tower of the Winds, showingthe earliest formation of the…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
