Dr. Beachler's Sphygmomanometer
Dr. Beachler’s sphygmomanometer mfd by R&E Mfg Co, Cleveland, Ohio. The rubber bulb is marked “Pat Aug 20, 1904, USA”. The simple manometer has an adjustable scale from 0-300mm Hg. The rubber cuff and tubing have hardened with age. The hard case is 12”x 2 1/2”x 2 1/2” . The box and manometer are in good condition. This early version of the mercury sphygmomanometer uses no valves on the manometer and no mercury reservoir.
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