Rochester, NY: Bausch & Lomb Optical Company circa 1933. 48 pages. Pink paper with silver and black titling. Stapled wrappers. 
A pamphlet most likely published for the Century of Progress International Exposition 1933-34. Univerisity of Chicago's collection of this exposition has a copy in the exposition archives. Nicely illustrated with stylized plates signed JCM or SCM (not sure which).
Scarce, with only two copies in Worldcat in addition to the Chicago copy.