Historical information

The McKesson Nargraf anaesthetic record was introduced in 1930, created by Dr Elmer I. McKesson.

Physical description

Black and white photograph of a drawing of the head of a McKesson Nargraf anaesthetic record, Model H. The view is from the top looking down onto the machine. There are two pressure gauges on either side of the round central component, with controls for oxygen, nitrous oxide, ethylene and carbon dioxide. A circular vaporiser for Ether is also attached to the machine.The recorder on the top of the photograph has a chart attached to it with written details.