![File:Potain type sphygmomanometer, Paris, France, 1898-1910 Wellcome L0065149.jpg - Wikimedia Commons File:Potain type sphygmomanometer, Paris, France, 1898-1910 Wellcome L0065149.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/68/Potain_type_sphygmomanometer%2C_Paris%2C_France%2C_1898-1910_Wellcome_L0065149.jpg)
File:Potain type sphygmomanometer, Paris, France, 1898-1910 Wellcome L0065149.jpg - Wikimedia Commons
![Early 20th Century Sphygmomanometers, Manometers, and Other Blood Pressure Devices | Cowan's Auction House: The Midwest's Most Trusted Auction House / Antiques / Fine Art / Art Appraisals Early 20th Century Sphygmomanometers, Manometers, and Other Blood Pressure Devices | Cowan's Auction House: The Midwest's Most Trusted Auction House / Antiques / Fine Art / Art Appraisals](https://fws-files.s3.amazonaws.com/uploads/website/auctions/items/full/70150_1.jpg)
Early 20th Century Sphygmomanometers, Manometers, and Other Blood Pressure Devices | Cowan's Auction House: The Midwest's Most Trusted Auction House / Antiques / Fine Art / Art Appraisals
![Detailed Illustration of an Antique Blood Pressure Monitor of the Sixties of Mercury Stock Image - Image of instrument, pressure: 259550553 Detailed Illustration of an Antique Blood Pressure Monitor of the Sixties of Mercury Stock Image - Image of instrument, pressure: 259550553](https://thumbs.dreamstime.com/z/detailed-illustration-antique-blood-pressure-monitor-sixties-mercury-detailed-illustration-antique-blood-259550553.jpg)