(J 



THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Yol. XIII. (U.S.), No. 26. lOVEMBER, 1912. 



STEADY AND TURBULENT MOTION IN GASES. 



BY 



JOHN J. DOWLING, M.A., 



LECTURER IN PHYSICS, IINIVERSITV COLLEGE, DUBLIN. 



(PLATES XXXII. and XXXIII.) 



[A ufhors alone are responsible for all opinions expressed in tffeirCdfmntfnfoations.} 



DUBLIN : 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTER HOUSE, DUBLIN. 



WILLIAMS AND NOKGATE, 



14, HENfilETTA STEEET, COVENT GARDEN, LONDON, W.C. 



1912. 



Price One Shilling and Sixpence. 



