Electric copper kettle, with immersed element, sectioned, c 1921.

Electric copper kettle, with immersed element, sectioned, c 1921.
3 4 c m
40cm
actual image size: 32cm x 26cm

Description

Sectioned to show element. This electric kettle (provisional patent no 33221/21) made by Bulpitt and Sons Ltd, Birmingham, was the first type of kettle to be fitted with a totally immersed heating element, doubling the efficiency of existing kettles. Earlier electric kettles had elements in a separate compartment in the bottom of the kettle, which wasted a lot of heat. This model has a traditional appearance and was used by middle clas households. It was protected by patents until the mid-1930s.

© Science Museum / Science & Society Picture Library

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