An Introduction to the Development of 750mm, 760mm and 30in gauge Public Railways.Stenvalls 2013. More than 35,000km of railways of these gauges have been built in the areas of around 95 present day countries. The book examines the significance and spread of the 30" gauge as a standard for secondary railways, the personalities, companies and manufacturers involved and compares the equipment. It outlines the history of the gauge in each country and presents much hitherto unknown information, including on railways in the former USSR, China and Japan. English text. 416 pages A4, comprehensively illustrated with photographs and specially prepared line drawings and maps, hardbound with laminated dust jacket.