MAURICE GILLON - CAMERA MAURICE – GILLON 1922 Notice FR

Original 1922 technical manual for the Maurice-Gillon motion picture camera, manufactured by Société Cinéma-Tirage L. Maurice in Gennevilliers. This comprehensive guide thoroughly documents the characteristics and operation of this professional cinematography apparatus from the early twentieth century. The manual begins with detailed coverage of the optical system, describing the three interchangeable objectives mounted on a sliding mechanism (Tessar lenses with focal lengths of 75mm, 50mm, and 35mm), along with their mounting systems and mechanical interfaces. An extensive section addresses automatic focus mechanisms controlled by the shutter, providing step-by-step procedures for scene transitions, fade effects, and spool blocking operations. The guide covers focusing devices, image counters, and interchangeable film masks designed to adapt to various frame compositions. Technical construction details of the magazine boxes and film loading procedures are thoroughly explained, with precise specifications for all mechanical assemblies. Illustrated with detailed technical drawings and numbered diagrams throughout, this manual serves as an essential reference for understanding the engineering and practical operation of cinema cameras from the 1920s era.