Film: 4507

Industry + Work | 1970 | Sound | B/W

Synopsis:

Wide web shearer. Coal Mining. A technical Exposition of the problems involved in adapting a 24 or 27 inch shearer loader to accept a 36 inch cutting drum. Where this can be done, over 40% more coal per pass can be won. Made at Hatfield Colliery, Doncaster.


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