X-ray machine, part only, wood frame, metal plate, European, early 20th century, screen X-ray machine 1901-1930
Cassette changer, for use in diagnosis of heart diseases, by A. Collis, from Dr. K. Keele, English, 1940 to 1950 Cassette changer 1940-1950
Fabric covered plate electrode and small plate electrode, European, 1890-1920 Fabric covered plate electrode and small plate electrode 1890-1920