Category: Sphygmometer
Estimated Date: 1880
Name: Sphymometre
Manufacturer: Th Chazal

Description: 6” long x3/8 at widest consists of a brass tube in which is a rectangular3/16 steel rod which is calbrated for the portion inside the brass tube 3”. The markings are calibrated to 100. At the opposite end is a disc to which is fastened a cork wedge shaped. A famous version by the inventor is shown elsewhere.

Reference 1: 262

Hill and Barnards Sphygmometer
Potains' Sphygmomanometer