Dudley, Darle W. Practical gear design / Darle W. Dudley. - 1st ed. International student ed. - New York: McGraw-Hill, c1954. - 335 p.: illus.; 21 cm. Includes index. LCCN: 53011476 Nat. Bib. No.: GB54-9699 Subjects--Topical Terms: Gearing.Gear Deesign. LC Class. No.: TJ184 / .D8 Dewey Class. No.: 621.833/DUP