'Easiwork' pressure cooker, c 1936.

'Easiwork' pressure cooker, c 1936.

Fernandes, Iris

© Science Museum / Science & Society Picture Library

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The cooker is of insulated cast aluminium, with a lid secured by a removable yoke, and has an Easiwork pressure gauge. A spring-loaded piston acts as a pressure regulating and warning device. The cooker's airtight structure creates high pressure and allows water to go beyond its boiling point. This leads to food cooking more quickly.
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