1947 4th edition textbook by William R. Spriegel, Ph.D., School of Commerce, Northwestern University., This book was written to establish a balance between theory and practive in industrial management with both the student and business executive in mind. The policies and principles of successful management and the devices to carry them out are presented. It is recognized that management has a responsibility to the community, the consumers, the employees, the owners and organized government. The original copyright 1st edition of this book was printed in 1923.