Tag Archives: Air Shields

1960s, Spirometer

Spirometer, Air Shields, 1968

March 8, 2015 Richard Johnston Leave a comment

From The Spartanburg Herald, Janueary 23, 1968. Page 6.

1960s, Photograph, Spirometer, Spirometry

Spirometer, Air Shields Pulmonary Function Recorder, 1969

February 7, 2014 Richard Johnston Leave a comment

From the Spokane Daily Chronicle, November 11, 1969, page 3.

The diverse, quirky and mostly forgotten history of Pulmonary Function testing