﻿Orifices, and Kntrainment of Air by tlie Issuing Jet. 981 

 Table III. 



Channel No. 



Length. 



(cm.) 



Diameter of 



channel. 



(cm.) 



Empirical Formula 

 for discharge (A'«°° ) 



(measured in 

 c.c. per sec. at 0° C. 



and 76 mm.) 



at excess pressure 



e cms. of water. 



1A) • 

 2A 

 3A y 



H 



5a; 



5B 

 50 

 11 



8 



0-2789 



0-6731 



0-8788 

 0-0229 

 00229 



0-0780 

 0-0612 

 00544 

 0-0471 

 00421 \ 

 0-0421 | 

 0-0424 j 

 00420 / 

 00442 



3-39 e ' 579 

 209 6°' 580 

 1-65 e " 585 

 1-05 e ' 611 



0-783 e ' 6 * 8 

 0-509 e °-72i 

 0-479 e 0-733 

 119 e ' 509 

 1-32 e°- 507 



>3 0-6 09 



PRESSURE IN CMS. OF WATER. 



