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Amgueddfa Cymru – Museum Wales
Black print on cream paper. Drawing of Hyde Boiler Works, Near Manchester at top of front page. James Shenton, late Tinker Shenton & Co specification for three improved two flued steel Lancashire Boilers 30' 0" long by 8' 10" diameter, for 100lbs working pressure for Thomas Wiliams & Sons, Llangennech. 7 pages secured together with a metal fastener.
