Boston 1946. (C) American photographic publishing company. Mörkblått klotband 128 sidor (20x14cm). Eng. text. Mycket fint skick, ägarstämpel. Rikt illustrerad. 1. Principle and history of highspeed photography. 2. General description of a speedlight. 3. Condensers and flashtubes. 4.Commercial equipment. 5. Synch. between flash and camera. Strobolight. 6. Comparison between photoflash and speedlight. 7. Use of speedlights. 8. Home assembly of a simplified speedlight. 9. High-voltage warning. Bibliography.