Baum sphygmomanometer (Baumanometer)
1926-1940
Manometer, for sphygmomanometer
French sphygmomanometer by Down Bros.
1921-1940
Sphygmomanometer, by Robert Whitelaw, in case
"The Harley" sphygmomanometer by S. Maw Son and Sons
1901-1930
French sphygmomanometer by Down Bros.
1911-1930
Martin sphygmomanometer by Hawksley and Sons Limited
1901-1920
Mercurial sphygmomanometer in case
Manometer from early example of Gaertner sphygmomanometer (tonometer)
1801-1900
Sphygmomanometer, cased, by Hawksley and Son
Martin sphygmomanometer
1901-1925
Sphygmomanometer by Holborn Surgical Instrument Co. Ltd.
1913-1930