Refrigeration and heating unit for "The Westminster Profound Hypothermia Unit" for cardiac surgery, developed by Charles Drew at Westminster Hospital, c.1960. Refrigeration and Heating Unit for The Westminster Profound Hypothermia Unit, 1960s. 1959-1961
Self-regulating heating apparatus, by L. Golaz, Paris, France, 1876 Branly collection no. 58 Self-regulating heating apparatus