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Hinks liquid oxygen vaporiser c 1923.

Hinks liquid oxygen vaporiser c 1923.
4 0 c m
actual image size: 25cm x 32cm


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

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© Science Museum / Science & Society Picture Library

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