Philosophic, less formalistic approach to perennially important field of analytical mechanics. Model of clear, scholarly exposition at graduate level with coverage of basic concepts, calculus of variations, principle of virtual work, equations of motion, relativistic mechanics, much more. First inexpensive paperbound edition. Index. Bibliography.Lanczos, Cornelius is the author of 'Variational Principles of Mechanics', published 1986 under ISBN 9780486650678 and ISBN 0486650677.