PREFACE The purpose of this publication is to set forth in concise form for the petroleum producer, seller, refiner and technologist, scientific information and statistics on the production, properties, handling, refining and methods of valuation of petroleum and related products. All matter formerly published in Bulletin No. 14 has been revised and included in this publication. In addition there has been added, fifty-five new illustrations, complete temperature-Baume correction tables, extensive tank gauging tables, refinery engineering formulae, complete specifications for petroleum products, much additional data on oil cracking, geology, lubricants and asphalt, a complete set of methods of analysis of petroleum, asphalt and naturaI gas and a fairly complete bibliography. The sources of original information have been from the research, commercial and engineering departments of the Kansas City Testing Laboratory and from the bibliography published at the end of the book...