Baum sphygmomanometer (Baumanometer)
1926-1940
Sphygmomanometer, cased, by the Surgical Manufacturing Co.
1901-1925
Sphygmomanometer by Accoson, in case, English
Martin sphygmomanometer by Hawksley and Sons Limited
1901-1920
French sphygmomanometer by Down Bros.
1911-1930
Pachon sphygmomanometer by G. Boulitte
French sphygmomanometer
1901-1910