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Amgueddfa Cymru – Museum Wales
Three technical drawings contained in a brown envelope. The envelope is addressed to W.E. Simons and is labelled 'N.O.R. Drawings'. Includes two blueprints of the same technical drawing. Drawing title "National Oil Refineries Ltd., Llandarcy: Power & Steam: arrangements of combution chambers for burning pulverised fuel and oil fuel." Dated 28th May 26. Drawing No. 18030 Also included in the envelope is a plan of the boiler house (at Llandarcy?) Drawn in black ink on white tracing paper. Signed W.E.S. (William Edward Simons) and dated 30/5/26.
