SPT - 1972

A collection of technical service notes from The Society of Photo-Technologists covering the March-April 1972 period (pages 427-438). This workshop manual assembles detailed maintenance, repair, and disassembly procedures for several popular camera models of the 1970s era. The comprehensive technical content serves as an essential repair manual and troubleshooting guide for technicians working on vintage equipment. Coverage includes the Rollei Magic II with complete disassembly of the film advance wind mechanism, cranking handle assembly removal, and step-by-step procedures for accessing internal components. The Olympus Pen D3 section details shutter removal and exposure meter system disassembly with precise instructions for optical element access. Canon TL coverage addresses cover plate removal, mirror cage disassembly, and gear train access procedures. The Argus Automatic-Cintagon 35mm section provides full disassembly including shutter mechanism removal and film advance system procedures. Additional material covers Instamatic 404 model variations and flash cube mechanism timing, Kodak Instamatic X-15 case removal and film wind mechanism repair, Unimatic 606 Prontormatic shutter system disassembly with spring positioning details, and Prontor Polaroid Shutter procedures for the MP-3 Copy Camera including shutter blade removal and exposure techniques. The document also includes practical guidance on fabricating tools for heat-sealing plastic bosses.