Category: Sphygmomanometer
Estimated Date: 1925
Name: B.D. Manometer
Manufacturer: Becton Dickinson and Co.

Description: Contained in a wooden box, 14×5×2.5”. The lid lifts up to reveal the manometer calibrated to 300. The reservoir is hidden behind the wooden scale and the manometer stands 1” in front of the lid on a separate wooden support which is vertical. The whole thing opens from one piece.

Reference 1: 311