Sphygmomanometer (blood pressure apparatus), 1897-1910.
Hill and Barnard sphygmomanometer by J. Hicks of London, 1897-1910
Hill and Barnard sphygmomanometer, in case, by J. Hicks of London, 1897-1910
Hill and Barnard sphygmomanometer by J. Hicks of London, 1897-1910
Case for Hill and Barnard sphygmomanometer by J. Hicks of London, 1897-1910
Hill and Barnard sphygmomanometer, in case, by J. Hicks of London, 1897-1910