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Amgueddfa Cymru – Museum Wales
Letter from The Woodall-Duckham Vertical Retort & Oven Construction Company (1920) LTD. to Mesrs. British Benzol & Coal Distillation Limited, regarding the proposed scheme for the instillation of Gas Producers and auxillary plant. Typed in black ink on cream paper, 6 pages pinned together at top left hand corner.
