825 
PEAmE Ne 
RECORD 1. 
th bet a oe | saad EDGE ON. 
GAUGE PERPENDICULAR TO 
WATER SURFACE. 
Va"DIA.> YB" THICK GAUGE. 
4LBS TNT STANDARD CHARGE. 
* > wis aiveiin 
WAAAY 
EDGE ON. 
GAUGE PERPENDICULAR TO 
WATER SURFACE. 
Va"DIA. x Vio THICK GAUGE. 
'Y¥4LBS STANDARD CHARGE TNT 
EEE ORE MARGE TNT 
GAUGE PERPENDICULAR TO 
WATER SURFACE. 
Va"DIA.x Vie THICK GAUGE. 
14.02. SPHERICAL PE. CHARGE. 
EDGE ON 
GAUGE PERPENDICULAR TO 
WATER SURFACE. 
¥4"DIA.x ¥32 THICK GAUGE... 
1¥4 LBS. STANDARD TNT. CHARGE 
AVAVAVAVAVAVATAVAVAVAYAVAVATZVATAVAVAVIYAVIYAVAVAVLVIVAVIVAV 
EDGE ON. 
GAUGE PERPENDICULAR TC 
WATER SURFACE. 
V4" DIA. x Vae THICK GAUGE. 
IY4L8BS. TNT. WITHOUT 
CANNISTER. 
EDGE ON. 
GAUGE PERPENDICULAR TO 
WATER SURFACE. 
Y4"DiA.x V3ae THICK GAUGE. 
1402. PE.SPHERICAL CHARGE, 
SINGLE PLY GAUGE. SINTERED SILVER ELECTRODES 
0:0025 “THICK. 
INSULATION: RUBBEROID WAX AT BASE OF GAUGE 
dS 
WITH 4 VERY THIN LAYERS FROM DIPPING _IN 
NATURAL LATEX AND CURING AT LOW TEMPERATURE. 
