130 
TONS PER SQUARE INCH 
TONS PER SQUARE INCH 
Rinse ae re 
EEE Pr 
THOUSANDTHS OF A SECOND 
Fig. 3. an lbs. of 40/60 Amatol (D, Table VIII.); average of Shots 44, 45; pecans not so deep as in 
Fig. 1; gauges 50 feet from centre of charge; maxigum pressure = .82 
( DISTANCES in FEET) 
SURFACE 
THOUSANDTHS OF A SECOND 
Fig. 4. Ae lbs. of 40/60 Amatol (D, Table VIII.); average of Shots 14, 61, 72, 74, 82; charge not so 
leep as in Fig. 3; gauges 50 feet from centre of charge; maximum pressure = 82. 
