PROF. CRUMRINE PATTERSON declares that his motive in writing this text-book of projective geometry was "the feeling that a more complete discussion than is usual in elementary textbooks is desirable".

(Installation view of works by Brigitte Mahlknecht (left), Judith Saupper (center), William Cordova (right). (Courtesy ACFNY/Luca Mercedes) The Projective Drawing at the Austrian Cultural Forum New ...