Engineering Equipment, pumps and Engines: 'Thwaites' Improved Roots' Blowers arranged for driving by Belts, Engines Or Motors. 1904' Vulcan Iron Works, Bradford. 36pp; 'Ransomes, Sims and Jefferies, Ld., Orwell Works, Ipswich - Illustrated Catalogue of Steam Engines and Machinery' circa 1907; 99pp, with extensive list of medal and prizes won at International Exhibitions (noted Melbourne 1881, 1889 and Tasmania 1892 and 1894); 'Tangye's Steam pumps' circa 1910, Birmingham. All with extensive illustrations, photos and tables. (3 items)