1 



1 



1 



1 



i 



i 



i 



1 



1 





- 







/ 













/- 



- 













1^5 No. 8 







/ - 



- 







\S No. 9 



r 













- 



- 







/ 











Jis No. 7 



- 



- 

















■*^No.lO 



- 



- 

















vNo.-ll 





















^No. 12 





- 





/ -^ 













^No. 13 



- 



— / 















^No.14 





~ 



1 



1 



1 



i 



i 



i 



1 



1 



1 



- 



8 10 12 



Gage Output (Volts) 



14 16 



FIGURE 3 • GAGE OUTPUT (VOLTS) VS PROBE DISTANCE FROM 

 WATER SURFACE FOR DIFFERENT FREQUENCIES OF FIXED OSCILLATOR 



37 



