Photographic Lenses, Bausch & Lomb Optical Co., (Rochester, NY), undated c. 1912, ~6 ½"x9 ½", 64pp
Unlike most other Bausch & Lomb catalogs, this one is not dated or copyrighted. There is a photograph that is copyrighted, however, 1913, which may serve to date this catalog shortly after, i.e., c. 1915.
