IN\rsT|i:.\TKI KV THK METHOD OF JET VIBRATION 



357 



6. A.& none of the known methods for the determination of the velocity and cross- 

 section of thin jets are quite satisfactory, I have worked out a new method for the 

 determimition of the cross-sectional area of a jet. 





b 



Scm 



Fig. 5. 



Section 



a-b. 



c- 



5cm.. 



Fig. 6. 



The principle of it is the following : A definite length of a jet is taken and weighed, 

 and on the basis of the weight and the density of the liquid the sectional area of the 

 jet is calculated. 



The taking of this definite length of the jet is accomplished by help of a "jet- 

 catcher," shown in figs. 4-7. It consists of two cylindrical vessels KI and K,, the 



