'Old Sarah' Engine

2016

Note how the 'crosshead' is secured to the piston rod by tapered cotters. One of the clamps appears to have started life as a piece of angle iron

'Old Sarah' was the affectionate name give to a beam engine which worked at Silkstone Colliery, Stanley, Wakefield, until 1917. It was evidently of great age. T. E. Crowley estimated a build date of 1780-90.

The engine was scrapped, but fortunately the piston, rod, and chain assembly were retained, and are displayed at the London Science Museum.

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