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History of Science Museum

Macintosh Mixing Chamber

Inventory Number 10412


Item type
Object
Provenance
From the Nuffield Department of Anaesthetics, John Radcliffe Hospital.
Physical material
Metal
Paper
Rubber
Dimensions
Height: 41mm Width: 101mm Depth: 190mm Weight: 374g
Inventory No
10412
Accession Number
1998-7

Description

Stopcock developed from Hewitts stopcock. For nitrous oxide and oxygen. Main circular section with a square arch over the top. Circular green sticker on section '70'. Inscribed on the arch 'M & I E Ltd London'. Three tubes extending from main section - one empty, two with mixers at the end labelled O2 and NO2. These tubes have rubber stoppers. Written on empty tube in black '101'.

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