Krogh Wedge Spirometer, early 20th century

Krogh Wedge Spirometer, early 20th century

Respiration

Equipment and Supplies

Lung

Brass wedge spirometer on rectangular platform base. Spirometer attaches to base via metal pole. This spirometer was used by filling the rectangular basin with water and having the patient blow through the attached tube. The top piece moved up and down with the strength of the breath and was attached to a marker and a rotating drum to measure fluctuations.

Brass wedge spirometer on rectangular platform base

Fisher

Early 20th century

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Warren Anatomical Museum

object

physical object

Warren Anatomical Museum Catalog Number: 21573

This brass wedge spirometer was likely created by the Fisher company in the early 19th century. It was used by the Department of Environmental Health at Harvard, and transferred by the Harvard School of Public Health to the Warren Anatomical Museum in 2015.