| Description Of Item | A draw-over, temperature compensated inhaler for trichloroethylene made by Cyprane Ltd. (Keighley, Yorkshire), which received approval in 1954 to produce it for analgesia during childbirth (ratified by the Central Midwives Board in 1955). The concentration of trichloroethylene could be adjusted between ‘MIN’ (0.35%) and ‘MAX’ (0.5%). An instruction leaflet and a bottle of Trilene are included in the carrying case. |