Water seal spirometer, made by Kifa of Sweden, circa 1970. From an on-line museum website carl.kulturen.com/medi/web/object/20307. Made of metal and plastic. Dimensions given as L 49 cm, Br 46 cm, H 119 cm,
Water seal spirometer, made by Kifa of Sweden, circa 1970. From an on-line museum website carl.kulturen.com/medi/web/object/20307. Made of metal and plastic. Dimensions given as L 49 cm, Br 46 cm, H 119 cm,