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 top of the photograph does not have a chart attached to it.
Inscriptions & markings
Each part of the machine has been labelled and handwritten in black ink the letters A - H and J - M on the surface.
