Late C19 shocking coil electrotherapy apparatus with rheostat and milliammeter

Late C19 shocking coil electrotherapy apparatus with rheostat

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Late C19 shocking coil electrotherapy apparatus with rheostat
Science Museum Group
© The Board of Trustees of the Science Museum

Late C19 shocking coil electrotherapy apparatus with rheostat and milliammeter, used 15 cells, by Schall and Son, 75 New Cavendish Street, London, W1, England, 1870-1940.