The contributors and advisers consulted hundreds of sources when preparing the material for inclusion in this handbook. Besides using the books and other publications listed as references in the Bibliography at the back of this handbook, the editor, contributors and advisers consulted and drew material from technical magazines and journals, trade-association standards, engineering and scientific papers, industrial and engineering catalogs, and a variety of similar publications. Most of these are noted in appropriate places throughout the handbook. Additional acknowledgments, listed in the order received, are given below.

Data and charts credited to the Hydraulic Institute are reprinted from the Hydraulic Institute Standards, copyright by the Hydraulic Institute, and from the Pipe Friction Manual, copyright by the Hydraulic Institute. Data on diesel engine cooling systems are reprinted from Marine Diesel Standard Practices, copyright by the Diesel Engine Manufacturers Association. Data on minimum requirements for plumbing are drawn from the American Standard National Plumbing Code with permission of the publisher, The American Society of Mechanical Engineers.

Specific firms, trade associations, and publications that were extremely helpful in supplying data for various sections of the handbook include Martin Marietta Corporation; Electronic Design magazine; Dresser Industries Inc. Dresser Industrial Valve and Instrument Division; Ingersoll-Rand Company; Anaconda American Brass Company; Waterloo Register Division Dynamics Corporation of America; ITT Hammel-Dahl; Mechanical Engineering, a monthly publication of The American Society of Mechanical Engineers; McQuay, Inc.; The G. C. Breidert Co.; Modine Manufacturing Company; Rubber Manufacturers Association; Condenser Service & Engineering Co., Inc.; Armstrong...