Record

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Archive Reference / Library Class No.	NCB/E/SON/2
Title	Photographs of South Normanton Colliery's hydromatic braking system, made by British Thomson-Houston Co. Ltd.
Date	18 Mar 1958
Extent	7 items
Level	Series
Repository	Derbyshire Record Office
Archive Creator	South Normanton Colliery
Archive Creator	National Coal Board
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Format	Photographic