Rochester: Bausch & Lomb Optical Co., [1920]]. 12mo., 34, [1] pp., [4] pp. supplement tipped-in, illustrated from b&w photographs. Decorative paper wrappers. Ink date on the front wrapper. Fine. Item #53177

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. The 4 pp. supplement brings the prices to March, 1920.

Price: $35.00