652 



CALIBRATIONS OF 6* COPPER DIAPHRAGMS [oi 956* THICK.] 



CURVES OF-DEFLECTION, PRESSURE. AND ENERGY 



FT LB5 PER 

 . ISOOO SO, FT ENEI?GY. 

 3.(X>0 LBS PER 



SQ INCH PRESSURE 

 M.OOO 

 MOO 



13,000 

 2600 



I2,000 

 2400 



11,000 

 Z^OO 



IQOOO 



♦,0OO 



eoo 

 .jpoo 



600 

 2000 



♦oo 

 looo 



200 



8 lO 12 14 16 18 



VOLUME OF DEPRESSION IN CUBIC INCHES. 



22 



24 



FIGURE 2. 



ncre/nij 



