Bancroft Mill, Barnoldswick
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The Roberts Engine303 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 Boiler299 views
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Cornish Boiler310 views
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Cornish Boiler291 views
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Cornish Boiler289 views
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Lancashire Boiler288 views
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288 viewsDiagram of how the Lancashire Boiler works
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Bancroft Mill299 views
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The Bradley Engine281 views
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The Bradley Engine288 views
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The Bradley Engine292 viewsPressure gauges
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The Bradley Engine298 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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