Bancroft Mill, Barnoldswick
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The Roberts Engine259 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 Boiler258 views
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Cornish Boiler269 views
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Cornish Boiler252 views
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Cornish Boiler247 views
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Lancashire Boiler244 views
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244 viewsDiagram of how the Lancashire Boiler works
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Bancroft Mill253 views
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The Bradley Engine237 views
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The Bradley Engine246 views
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The Bradley Engine245 viewsPressure gauges
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The Bradley Engine248 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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