Wooden handled brass "airmeter" (anemometer). Airmeter is in metal case around fan section. Airmeter has open metal circle affixed to wooden handle. Metal circle has two diameter-long metal poles with small metal and paper fan (four pieces) inside. Round piece of paper sits in case describing airmeter. Four blade fan with wooden handle set in metal housing. Device has handwritten label that reads "Dr. Morrill Wyman./ Airmeter. Made. for Cambridge Cambridge Hospital."
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Notes:
This "airmeter" was created between 1867 and 1903 by physician Morrill Wyman for use at Cambridge Hospital (now Mt. Aubrun Hospital). It was owned by James Cotter, who kept it in his personal collection. In 2008 Mrs. James Holland Cotter donated this anemometer and other medical instruments and paraphernalia to the Warren Anatomical Museum.