Beckwith, T. G. Mechanical measurements / T. G. Beckwith, N. Lewis Buck. - 2nd ed. - Reading, Mass. : Addison-Wesley, 1969. - xi, 642 p. : ill. ; 21 cm. - Addison-Wesley World student series edition. . Includes bibliographical references and index. Subjects--Topical Terms: Physical measurements.Measuring instruments.