The McKesson Nargraf anaesthetic record was introduced in 1930, created by Dr Elmer I. McKesson.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. There are blood pressure tubes attached to the sides of the machine. The recorder on the top of the photograph has a chart attached to it with written details.Each part of the machine has been labelled and handwritten in black ink the letters A - H and J - P on the surface.mckesson nargraf anaesthetic record, anaesthetic equipment, anaesthetic apparatus

The McKesson Nargraf anaesthetic record was introduced in 1930, created by Dr Elmer I. McKesson.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.anaesthetic equipment, mckesson nargraf anaesthetic record, oxygen, ether

The McKesson Nargraf anaesthetic record was introduced in 1930, created by Dr Elmer I. McKesson.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.Handwritten in black ink the letters A - H on the surface, labelling each part of the machine.anaesthetic equipment, mckesson nargraf anaesthetic record

With the introduction of nitrous oxide for patients undergoing dental treatment, 100% nitrous oxide was usually administered as an anaesthetic. This caused the patient to lose consciousness quickly and could also cause severe hypoxia. In the late 1890s, dentist Samuel Stockton White introduced this two cylinder apparatus, which could administer oxygen with N2O.Early model apparatus with cast iron stand, and two gas bottles. Comes with two canvas gas bags and a detached metal mask and fabric connecting tube.samuel stockton white, nitrous oxide, oxygen, hypoxia

1945 Slide Rule US Army Air Force from Prof. Allan Bromley.Works by adding Angular moments together to find centre of gravity (COG) of a plane (adds bombs, ammunition and crew on board).Brown Leather Case with 'Slide Rule' inner.Load Adjuster, Property of US Government. 102630 on case. 81629. Airplane serial No. 44-4-1195, Model B-24Jbomb load adjuster, a16

Martin 250CE Mid Upper Turret first introduced on the L Model B-24 Liberator. The US Army Air Force Model 23A became standard on all late model J, J/R, L, M and M/R model Liberators. The 23A was an all electric Turret. It was armed with two .50 calibre machine guns (Browning) MKII. The Turret carried 900 rounds (bullets), 450 rounds per gun.a12

Camera was used during 1943-1944 by Vern Roberts, RAAF 24 Squadron.Camera used by Vern Roberts, RAAF 24 Squadron during 1943-1944.Soho Myna Model SK12a17

Compass believed to be from a 'Betty' or 'Dinah' Japanese Aircraft.Model 9 - 2 magnetic type compass for aircraft YOKOGAWA Electric Company. Made in August 1942. Serial No. 8305411a18