Buckingham, Eliot K. Revised manual of gear design Section 3 hlical and spiral gears - Springfield Buckhingham Association 1980 - 158 p ISBN: 9780831131159 Subjects--Topical Terms: Mechanical Engineering LC Class. No.: 621.833 BUC 1980 Dewey Class. No.: 621.833 BUC 1980 National Library of Medicine Call No.: 621.833 BUC 1980