.11111 BYJ. DUNCAN, Wh. Ex. APPLIED MECHANICS FOR BEGINNERS. Globe 8vo. 35. 6d. STEAM AND OTHER ENGINES. Globe 8vo. 6s. MECHANICS AND HEAT. Crown 8vo. 55. AN INTRODUCTION TO ENGINEERING DRAW- ING. Crown 8vo. 45. BYJ. DUNCAN, Wh. Ex., and S. G. STARLING, B.Sc. A TEXT-BOOK OF PHYSICS FOR THE USE OF STUDENTS OF SCIENCEANDENGINEERING. Illustrated. Extra crown 8vo, i8s. Also in Parts: Dynamics, 6s. ; Heat, Light, and Sound, 7s. 6d. ; Magnetism and Electricity, 55. ; Heat, 45. 6d. ; Light and Sound, 45. 6d.; Heat and Light, 6s. LONDON: MACMILLAN & CO., LTD. APPLIED MECHANICS FOR ENGINEERS MACMILLAN AND CO,. LIMITED LONDON BOMBAY CALCUTTA MADRAS MELBOURNE THE MACMILLAN COMPANY NEW YORK BOSTON CHICAGO DALLAS SAN FRANCISCO THE MACMILLAN CO. OF CANADA, LTD. TORONTO APPLIED MECHANICS FOR ENGINEERS BY DUNCAN, J. WH.EX., M.I.MECH.E. HEAD OF THE DEPARTMENTOF ENGINEERING AT THE WEST HAM MUNICIPAL COLLEGE AUTHOROF 'APPLIED MECHANICS FOR BEGINNERS,' 'STEAM AND OTHER ENGINES,' 'MECHANICS AND HEAT,'ETC. JOINT AUTHOR OF 'TEXT-BOOK OF PHYSICS* MACMILLAN AND CO. LIMITED ST. MARTIN'S STREET, LONDON 1926 COPYRIGHT First Edition, 1913. Reprinted 1920, 1922, 1926. PRINTED IN GREAT BRITAIN