Rochester: Bausch & Lomb Optical Co., 1914. 8vo., 62,  pp., illustrated from b&w photographs and engravings. Printed stiff wrappers; slight bump at upper tip. Very good. Item #53178
Provides an overview of lenses, a section on selecting a lens for different work, a detailed catalogue of lenses and related supplies; prices included. Includes photographs by Carl E. Akeley, H.G. Ponting, and others.