Harvard Apparatus multi-purpose spirometer, probably from 1970’s to 1980’s.
From: http://www.purplewave.com/cgi-bin/mnlist.cgi?110111/5215/4
Tag Archives: Harvard Apparatus
Spirometers, Tissot and Harvard Apparatus, Circa 1980’s
Collins Tissot Spirometers, probably 125 and 60 liter capacities. Harvard Apparatus multi-purpose water seal spirometer. All probably from 1970’s to 1980’s.
From: http://www.purplewave.com/cgi-bin/mnlist.cgi?110111/5215