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This silent German film features cineradiography of x-rays of the chest shot full-on and side-on. It was made by Professor Dr Robert Janker, a pioneer in radiological diagnostics of skeletal systems, x-ray photograph technology, luminescent screen photography, x-ray cineradiography and radiotherapy. He worked on developing electronic image enhancement, x-ray television and mass x-ray screening. Find out more: =b2045407~S3.
