Boulton and Watt Engine The world's oldest steam engine still able to perform its original function. Presented to mark the year of the 250th anniversary of the birth of James Watt (Engineer) 1736-1819.

This is an approximate position

Crofton Pumping Station, Crofton, Marlborough
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by Institution of Mechanical Engineers on 19 October 1986

Colour: blue

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