828 
FACE ON. 
I'4LBS STANDARD TNT. 
FACE ON. 
RECORD 3. 
FACE ON. 
1402.SPHERICAL CHARGE. 
EDGE ON 
FACES PARALLEL TO 
WATER SURFACE. 
BARE !/1'44L8S TNT. 
EDGE ON 
FACES PERPENDICULAI 
TO WATER SURFACE. 
BARE (|¥4LBS. TNT. 
” 
Yo"DIA.x Vie THICK EACH- SINTERED 
Two PLY GAUGES 
SILVER OUTER ELECTRODES 0-00285"THICK AND 
= es" THICK CENTRAL ELECTROD SILVE 
FOIL FUSED BETWEEN TWO CRYSTALS. 
INSULATION: RUBBEROID WAX AT BASE OF GAUGE WITH 4 VERY 
THIN LAYERS FROM DIPPING IN NATURAL LATEX AND CURING AT 
Low TEMPERATURE. 
