Paris: Jules Richard, Manufacturer and Inventor, 1924. 12mo., 48 pp., illustrated from b&w photographs. Illustrated paper wrappers which are soiled, slightly creased, lacking one small chip from the corner of the rear wrapper, and partially split at the spine. A good copy. Item #27861
The Verascope - a compact stereoscopic plate camera which could be hand-held, made by French instrument maker and designer, Jules Richard, beginning in 1893, through various models until the 1950s. A complete manual which includes printing and development.
Not listed in OCLC.