Estimated Date: 1902
Name: Potains’ Sphygmomanometer
Manufacturer: Ch. Verdin
Description: 6 “x 4” x 2” red lined box contains a 2” circular manometer with white metal case. It is calibrated in cm of Hg from 0 to 35 and is labeled manometer, 755. There is a ring handle at the top and a nipple outlet. A three way stop cock is labeled Ch. Verdin. It connects like a T with one limb, which can be turned to open and close.The original pelotte is in the case with part of the rubber tubing. The original instructions are also contained in the case.
Reference 1: 110