Baumanometer Blood Pressure Monitor Value Guide

The Baumanometer is a cornerstone of 20th-century medical history, representing the gold standard of mercury column sphygmomanometers developed from Dr. Harvey Cushing's 1903 patent. This mid-century American-made diagnostic tool is highly collectible for its precision engineering and its role as the precursor to modern digital cuffs.

What Is Baumanometer Blood Pressure Monitor Worth?

The typical price range for Baumanometer Blood Pressure Monitor is $175 - $175 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Condition of the wooden case, including the integrity of the hinges and the finish of the wood.
• Completeness of the original kit, specifically the inclusion of the original rubber tubing and inflation bulb.
• Clarity and condition of the glass mercury tube; cracks or leaks significantly diminish the value and safety.
• Historical provenance or specific model markings that date the unit to the early-to-mid 20th century.

How to Identify Baumanometer Blood Pressure Monitor?

• Look for the 'Baumanometer' brand name etched into the glass mercury column or printed on the scale.
• Verify the presence of the original wooden case, which was standard for portable models from the 1940s-1960s.
• Check for the 'Made in USA' stamp and original rubber bulb and cuff components which often show age-related patina.
• Confirm the presence of the vertical glass tube designed to hold the mercury column against a numbered scale.

History of Baumanometer Blood Pressure Monitor

Invented by Dr. Harvey Cushing and patented in 1903, the Baumanometer quickly became a standard in medical practice. Its mercury column design offered accuracy and reliability, making it a ubiquitous sight in doctors' offices and hospitals throughout the 20th century. This particular model, likely from the mid-20th century, represents a significant era in medical diagnostics, prior to the widespread adoption of digital blood pressure cuffs.