| Description Of Item | Jar with inverted filling tube (preventing overfilling) for 30 ml trichloroethylene. It was attached to a bedrail. From the outlet port, a corrugated tube led to a handheld facemask with inspiratory and expiratory valves and an air orifice which the patient occluded with her finger to inhale 0.65% trichloroethylene. Reference: Wylie WD. The Practical Management of Pain in Labour. London: Lloyd-Luke Ltd., 1953; p. 45. |