Double Acting (Desford type) Chock
Original photo in the Dowty archive at the Gloucestershire Heritage Hub
Original photo in the Dowty archive at the Gloucestershire Heritage Hub
Original photo in the Dowty archive at the Gloucestershire Heritage Hub
Original photo in the Dowty archive at the Gloucestershire Heritage Hub
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We called these the Mushroom Jack and used these on a Plough Face in 1966 @ Bargoed Colliery in South Wales.
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