Antique Gauge Dr. Rogers Sphygmomanometer Rochester NY USA 1915-1925 No 1435 | eBay
2 antique sphygmomanometers: Erkameter and Mercurius - 1 antique Socorex glass syringe with extra needles - Catawiki
Vintage Medical Sphygmomanometer in its Original Bakelite Box, German 1930s For Sale at 1stDibs | vintage sphygmomanometer, antique sphygmomanometer, sphygmomanometer labelled diagram