Morlais. Investigation to determine the best position for the installation of a breaker in order to produce the maximum yield of coal in the proposed Heavy Medium Washery at Morlais Colliery. Period of Test Aug 1957 (206/57/1) Sep 1957
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/354
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- ReferenceGB 216 D/D PRO/NCB/6/354
- Dates of CreationSep 1957
- Language of MaterialEnglish
- Physical Description1 file