- Subject
- Anaesthetics
- Item type
- Object
- Makers
- British Oxygen Company
- Provenance
- Transferred from the Nuffield Department of Anaesthetics, John Radcliffe Hospital.
- Dimensions
- Height: 284mm Width: 324mm Depth: 310mm Weight: 9400g
- Inventory No
- 10539
- Accession Number
- 1998-7
Description
Machine to give analgesia for midwifery. This portable version was designed for domiciliary use and incorporates the cylinder and a reservoir bag and Adams valve. Incorporates a continuous flow gas button. Used for nitrous oxide.
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Invented in 1936 by Robert James Minnitt (1889-1974).
Comprising of a wooden box with a metal plate as the top surface on which is mounted a rotating disc that controls a piston which acts as a pump. The apparatus has a mains plug and several wires which extend from beneath the box.
