Rochester: Bausch & Lomb Optical Co., . 12mo., 35 pp., illustrated from b&w photographs. Decorative paper wrappers. Owner's name and date on the front wrapper. Stamp of the M. A. Leese Anti-Trust Photographic Paper and Supplies, 614 9th St. N. W., Wash. D. C. on the wrapper and 2 other leaves. Very good. Item #29155
The first section describes various lenses and their uses; the second section provides technical specifications for a variety of lens configurations and focal lengths, shutters, etc.; prices included.