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Amgueddfa Cymru – Museum Wales
"The Production and Manufacture of Carbide of Calcium" by G.T. Poole. Article to be read before the South Wales Institute of Engineers at the Esplanade Hotel, Porthcawl on 19th February 1948. 8-page paper booklet. Printed in black ink on cream paper. Green paper cover with black printed details, including the logo of the South Wales Institute of Engineers in the centre.