Illustrated catalogue of pumping and winding engines, and other plant used for mining purposes, horizontal, fixed, and portable engines, Cornish and other boilers, general machinery, manufactured by Williams' Perran Foundry Co., Perranarworthal, Cornwall, and 1 & 2 great Winchester Street buildings, London, E.C. (Trevithick Society : Ironbridge Gorge Museum Trust,, 1974)