London: Emil Busch Optical Co.; Henry F. Purser, Wholesale Agent, . 8vo., 23 pp.; illustrated from engravings. Decorative wrappers; a small piece of brown paper affixed to the front wrapper, mild soiling at the edges. Near very good. Item #30005
A priced catalogue, which includes the rapid, portrait, detective, and wide angle "Aplanat" series, as well as "Periplanat", "Partascop", "Triachromat", Cinematograph, and other lenses in a variety of focal lengths.