All Krogh spirometers were built to order and available in a variety of configurations with a variety of accessories. From ‘A Catalog of Pulmonary Function Equipment and Accessories’, W. E. Collins Inc., 1966, page 47.
All Krogh spirometers were built to order and available in a variety of configurations with a variety of accessories. From ‘A Catalog of Pulmonary Function Equipment and Accessories’, W. E. Collins Inc., 1966, page 47.