Category: Sphygmomanometer
Estimated Date: 1910
Name: Blood Pressure Device, Unknown Design

Description: Oak box 18×4×4.5. Detachable lid contains U-tube manometer with adjustable wood scale to 300 mmHg. Cloth armband in box is 4.5” wide. Metal pump 6” long with connector to hose built in . The pump is labled Becton-Dickinson Co., Rutherford, NJ. Patent Dec 1906, July 1910.