Lifetime Baumanometer sphygmomanometer by W. A. Baum Co. Inc
1935-1945
Model 300
1935-1945
Oliver's compressed air sphygmomanometer by Hawksley
Tonometer (sphygmomanometer) with aneroid manometer
Sphygmomanometer by Surgical Instrument Co.
Brunton sphygmomanometer
1901-1923
Recklinghausen's sphygmomanometer by Bosch and Speidel
1896-1905