Estimated Date: 1921
Name: Baummanometer, wall model, super sphyg.
Manufacturer: W.A. Baum Co.
Description: Mounted on a wooden plaque, 16×6”. Ivorine scale to 300 mm Hg, serial number 18742. This device was sold to Otto Wickins of 34 Zabriskie Street, Jersey City , 12/24/21.
Reference 1: 259