142 
N of CHARGE C and GAUGES G 
(DISTANCES in FEET) 
TONS PER SQUARE INCH 
THOUSANOTHS OF A SECOND 
Fig. 30. 212 lbs. of wet guncotton surrounded by an air chamber (X9, Table VIII.); average of Shots 
60, 6 
3, 67; gauges 50 feet from centre of charge; maximum pressure = 61, 
POSITION of CHARGE C and GAUGES G 
(DISTANCES in FEET) 
a sf a | 
ee es 
hs Se EL a a a 
Ah = a a 0 
FP) iy cS 
Cs = I 
THOUSANDTHS OF A SECOND 
Fig. 31. 272 lbs. of R.D. Wo. 30 Mixture (Ammonius perchlorate 78, aluminium Feit 6, peenatein 
wax 16) surrounded by an air chamber (8, Table VIII.); ven of Shots 69, 71, 94; 
gauges 50 feet from centre of charge; saxisue pressure = 
= 
IONS PER SQUARE INCH 
