Brynlliw - Degradation of Coal through Skip and Bradford Breaker (1131/67/1) and Brynlliw Colliery Degradation by Skip Winding, Date of Test 26.8.61 (641/61/1) Feb 1967 and Sep 1961
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/1355a-b
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- ReferenceGB 216 D/D PRO/NCB/6/1355a-b
- Dates of CreationSep 1961
- Language of MaterialEnglish
- Physical Description1 file