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 J. The view is from the top looking down onto the machine, showing a round vaporiser with a valve attached to it and two round pressure gauges on either side. The recorder on the machine does not have a chart attached to it.

Inscriptions & markings

Handwritten in black ink the letters A - H on the surface, labelling each part of the machine.