Category: Sphygmomanometer
Estimated Date: 1909
Name: Nicholson Blood Pressure Apparatus
Manufacturer: Kny-Scheerer Co.

Description: 3.75×3.75×13.5 wooden box containing a manometer similar in design to the Baum with a reservoir. Wooden ivorine scale to 260 and a valve to open to air. Two outlets above reservoir to attach cuff and pump. Pump missing but cuff is cloth 4.5” wide.

Reference 1: 401