

/ 



— 







i 



/ 









/ 











/ 











/ 

















^ 









/ 











/ 









/ 



r 









/ 















/ 



^ 









/ 











/ 









1 



/ 









J 











MB Type 120 

 Serial 11827 

 Vertical Calibration 

 April 1963 

 Amplitudes: + 50 Mils 



MB Type 124 

 Serial 8843 



Horizontal Calibration 

 April 1963 

 Amplitudes: + 50 Mils 



MB Type 124 

 Serial 9452 



Horizontal Calibration 

 April 1963 

 Amplitudes: + 50 Mils 



4 8 12 16 20 



FREQUENCY IN CPS 



Figure 8 - Calibration Curves - Stern 



43 



