Found on Pinterest. Labeled elsewhere as “Vintage photo of Dr. Sixten Haroldson measures lung volume of a draftee”. Dated as 4/5/1949. Likely taken in Sweden. Spirometer is an Aesculap model that only measured vital capacity.
Found on Pinterest. Labeled elsewhere as “Vintage photo of Dr. Sixten Haroldson measures lung volume of a draftee”. Dated as 4/5/1949. Likely taken in Sweden. Spirometer is an Aesculap model that only measured vital capacity.