Compact balanced-bellows dry type spirometer was designed to be insensitive to acceleration fields along any or all coordinate axes. It provides true indication of respiratory action of test subject without need for calibration in acceleration fields.
Balanced-bellows spirometer
1972-09-01
Miscellaneous
No indication
English
A useful modification of the Wright spirometer
TIBKAT | 1967
|A Useful Modification of the Wright Spirometer
NTIS | 1967
|Application of the Vortex Whistle to the Spirometer
British Library Online Contents | 1999
|Pulmonary Function Test Using Fiber Bragg Grating Spirometer
British Library Online Contents | 2016
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