Hinks liquid oxygen vaporiser c 1923.

Image number: 10237470

Hinks liquid oxygen vaporiser c 1923.

Liquid oxygen was contained in the 5 litre vacuum walled flask. As oxygen evaporated, it built up pressure, and the gas was forced up and through the coil element on top. A tube took it to the airman's mask.

Image number:
10237470
Credit:
Science Museum/Science & Society Picture Library
Date taken:
20 October 2003 12:17
Image rights:
Science Museum