Calvert's Engine
Calvert's Engine or the Newbridge Colliery Engine is a beam engine of 1845, now preserved on the campus of the University of Glamorgan, South Wales. == History == Newbridge Colliery in Gelliwion, Pontypridd was sunk in 1844.
Calvert's Engine or the Newbridge Colliery Engine is a beam engine of 1845, now preserved on the campus of the University of Glamorgan, South Wales. == History == Newbridge Colliery in Gelliwion, Pontypridd was sunk in 1844.
Calvert's Engine or the Newbridge Colliery Engine is a beam engine of 1845, now preserved on the campus of the University of Glamorgan, South Wales. == History == Newbridge Colliery in Gelliwion, Pontypridd was sunk in 1844.
Source: Wikipedia "Calvert's Engine" · CC BY-SA 4.0
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