Original envelope annotated 'Mr Spiers, CPD, Chief Chemist Nantgarw Plant. Photographs at Tredomen Works Foundry (use of coke), negatives for LS, 31/3/67'.
Tredoman Engineering Works, Foundry
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- ReferenceGB 214 DNCB/14/4/159/4/5
- Dates of Creation31 Mar 1967
- Physical Description1 Plastic Negative
Scope and Content
Original National Coal Board negative number: n/a. Original Glamorgan Archives Box number: DNCB/48/4.