Exhibition '100 Years of medical Photography', 1955.

Photography of Patients. E. Study of gait and movement. 1. Photograph taken in 1872, Eadweard Muybridge; 1910, James Purves Stewart. Series of footprints by walking on light sensitive paper. 2. Modern technique for obtaining series of footprints by walking on light sensitive paper. 3. Series of movements with the subject walking on a moving belt. 4. Series of movements with the stroboscopic flash apparatus so that different stages in the movement are shown on the same plate.