Ammanford Colliery. Investigation of the effect of a B.J.D. Anderton Disc Shearer, on the yield of sized products (658/61/9) Oct 1961
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- Bookmark:http://archiveshub.jisc.ac.uk/data/gb216-d/dpro/ncb6/d/dpro/ncb/6/825
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- ReferenceGB 216 D/D PRO/NCB/6/825
- Dates of CreationOct 1961
- Language of MaterialEnglish
- Physical Description1 file