- Subject
- Anaesthetics
- Item type
- Object
- Makers
- McKesson Equipment Co.
- Provenance
- From the Nuffield Department of Anaesthetics, John Radcliffe Hospital.
- Dimensions
- Height: 150mm Width: 210mm Depth: 260mm Weight: 3650g
- Inventory No
- 10582
- Accession Number
- 1998-7
Description
The head of a McKesson Nargraf machine. Used for delivering nitrous oxide, oxygen, ether & carbon dioxide for use as an anaesthetic.
The machine comprises of a pair of bellows and a series of valves & dials to track the percentages of the various gases.
Invented c.1930 by Elmer Isaac McKesson (1881-1935).
See references.

