Category: Sphygmomanometer
Estimated Date: 1919
Name: Baumanometer, kit bag model
Manufacturer: W.A. Baum Com Inc.
Description: Wooden box 12.5×3.25×1.75.” Lid springs open to reveal ivorine scale to 260 mmHg. Painted black leters, occasional red cross bars. Serial number 4282. Standard Baum constrction of the glass manometer.
Reference 1: 259