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