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Amgueddfa Cymru – Museum Wales
Printed in black ink on white paper. A booklet on the Thompson-Houston Co. Ltd. type AGT synchronous motors The booklet includes 10 black and white photgraphs. Loose within a beige/light brown file containing copies of the 'Metcalf papers' and documents relating to the 'Conversion of Turbo Compressor to Electrical Drive'.
