Fusible Plug - History

History

The device was invented in 1803 by Richard Trevithick, the proponent of high-pressure (as opposed to atmospheric) steam engines, in consequence of an explosion in one of his new boilers. His detractors were eager to denounce the whole concept of high-pressure steam, but Trevithick proved that the accident happened because his fireman had neglected to keep the boiler full of water. He publicised his invention widely, without patent, to counter these criticisms.

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