For sale by all Booksellers or sent postpaid on receipt of price by
G. P. PUTNAM'S SONS, Publishers,
4th Ave. and 23d St., New York.
IN COURSE OF PUBLICATION.
Putnam's Elementary and Advanced Science Series,
Adapted to the requirements of Students in Science and Art Classes, and Higher and Middle Class Schools.
ELEMENTARY SERIES.
Printed uniformly in 16mo, fully Illustrated, cloth extra, price, 65 cents each.
1. PRACTICAL PLANE AND SOLID GEOMETRY. By H. Angel, Islington Science School, London.