Non-bias sphygmomanometer designed by Professor Rose of London School of Hygiene and Tropical Medicine 1960-1970
Sphygmomanometer, 'Tycos' brand, by Short & Mason Ltd., London, English, Patent number 9535, serial nuumber 20661 Sphygmomanometer, 'Tycos' brand
Aneroid sphygmomanometer with 2-inch dial in case, by Accoson™, 1994 Aneroid sphygmomanometer with 2-inch dial in case 1994
"Tycos" aneroid sphygmomanometer by Short & Mason Ltd., London, in case, English "Tycos" aneroid sphygmomanometer by Short & Mason Ltd.
Sphygmomanometer, von Basch, steel and glass, with rubber tubing, by L. Castagna of Vienna, in cardboard box, early 20th century Von Basch Sphygmomanometer 1901-1930
Prototype electric sphygmomanometer used by K. Mandelsshon, 1940's Prototype electric sphygmomanometer used by K. Mandelsshon, 1940-1949 1939-1950