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Amgueddfa Cymru – Museum Wales
Letter and report from the Coppee Company (Great Britain) Limited, attached with a paperclip. Letter is typed in black ink on company headed paper. Report is two pages long, typed in black ink on cream paper. Letter and report regarding polishing tests on Oxfordshire ores. Sent from the Coppee Company (Great Britain) Limited to the British (Guest Keen Baldwins) Iron & Steel Co. Ltd., East Moors, Cardiff. Dated 29th December 1930.
