970 
Table of Contents (Continued) 
3. Pressure and time-constant measurements of shock waves 
by optical distortion 
& 
(a) Spherical shock wave; charge not on the optical axia; 
charge in grid plane 
& 
(1) Peak pressure 
(41) Time-constants 
(444) Summary and remarks 
(b) Spherical shock wave; charge on the optical axis; charge 
in grid plane 
(c) Non-spherical shock wave; charge on the optical axis; 
charge in grid plane 
(ad) Spherical shock wave; charge on the optical axis; 
charge in front of grid plane 
4. Cylinder damage 
fa} Introduction 
b) Still pictures 
fc Slow speed movies 
d) High speed movies 
5. Miscellaneous experiments 
(a) Mach effect 
(b) Shock wave from 30C 1b. charge 
(c) Pressure of shock wave determined from shock wave 
velocity 
(ad) Experiments showing that the apparent position of the 
shock wave coincides closely with its actual position 
(e) Luminosity of charges exploded underwater 
BBY BEY BY & & & BR 
a 
APPENDIX 
I. Theory of pressure in front of an air-backed free plate accelerated 
by a shock wave 61 
II. Theory of peak pressure and time constant determination for 
shock waves by the method of optical distortion 66 
Editor's notes This appen’ 2} by R.R. Halverson, 
appears as a separately published paper 
in this volume, just preceding this paper. 
iv 15518 
