Cavendish injector gas-air apparatus, portable, by Medical and Industrial Equipment Ltd., England, 1943-1945 Cavendish injector gas-air apparatus 1943-1945
Last's intramuscular penicillin administration apparatus, cased, by William Bros., 44 New Cavendish Street, London, W1, England, 1945-1955. Last's intramuscular penicillin administration apparatus 1945-1955
Telescoping stand and two lenses for drawing camera lucida, in triangular leather case, English, 1850-1870 Telescoping stand and two lenses for drawing camera lucida 1850-1870
Davis' later C19 magneto-electric therapy apparatus, hand-cranked, by Negretti and Zambra of London, Holborn Viaduct, W1 Davis' later C19 magneto-electric therapy apparatus 1865-1900