827 
BEAgE tc. 
RECORD 
EDGE ON. 
FACE PARALLEL TO 
ee er 
WATER SURFACE. 
STANDARD I%4LBS.T.N-T CHARGE 
NAA AN et Re CN Yo Yel 
EDGE ON. 
CE PARALLEL TO 
WATE URFACE. x 
1402. SPHERICAL CHARGE 
Se" 
EDGE ON. 
FACE PERPENDICULAR TO 
WATER SURFACE. 
STANDARD 1¥Y4ULBS.TNT.CHARGE 
4 LBS. T.NLT. 
RECORD S 
(oho 
14 OZ. SPHERICAL CHARGE. 
SINGLE. PLY GAUGE Ye x Yio THICK. 
SINTERED SILVER ELECTRODES O-002S “THICK. 
INSULATION: RUBBEROID WAX AT BASE OF GAUGE 
WITH 4 VERY THIN LAYERS "FROM DIPPING IN 
NATURAL LATEX AND CURING AT LOW TEMPERATURE. 
