Bancroft Mill, Barnoldswick
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The Roberts Engine307 viewsThe Roberts engine at Bancroft is a two cylinder horizontal cross-compound engine. ‘Compound’ means that the steam first passes through the high pressure cylinder (James) and then the low pressure cylinder (Mary Jane) to extract as much energy from the steam as possible. Efficiency is further improved by a condenser in the cellar which condenses the exhaust steam creating a vacuum which increases the effective pressure across the low pressure cylinder.
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Lancashire Boiler306 views
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Cornish Boiler317 views
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Cornish Boiler297 views
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Cornish Boiler294 views
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Lancashire Boiler293 views
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297 viewsDiagram of how the Lancashire Boiler works
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Bancroft Mill306 views
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The Bradley Engine287 views
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The Bradley Engine292 views
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The Bradley Engine300 viewsPressure gauges
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The Bradley Engine305 viewsThis engine, built by Smith Bros and Eastwood of Bradford is a two cylinder tandem compound (one cylinder behind the other) originally installed at Peter Green’s mill at Low Bradley near Skipton in 1901. This mill also closed in 1978, with the engine remaining in situ until the buildings were converted to housing in 2003.
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