504 



GEEAT EASTEKX. 



getting between the gunwale and the ship, caissons, but intermediate there was a joint of 

 As the blocks were split out, the caisson came about 3^ inches wide on the port side, and 



nearer and nearer to the ship. When all were 

 taken out that prevented the gunwale from 

 coming in contact with the" plating, it was 

 found that the gunwale bore at the ends of the 



about 2 inches on the starboard side in the 

 widest part. As this was satisfactory, the hose 

 was fijled and the pump was set at work, and 

 worked continuously for 12 hours, discharging 



FIG. 3. 



about 3,000 gallons, or about 13 tons of water 

 per minute without lowering the water in the 

 entrance shafts more than 18 inches. It was 

 evident that the water came in about as fast as 

 it was pumped out. The divers were sent 

 down into the inside of the caisson, and re- 

 ported that the water did not come from be- 

 tween the gunwale and the ship, but from the 



interior of the ship. It was known that the 

 space between the two skins was full of water, 

 and that the water was draining into the cais- 

 son, but continued pumping made it certain 

 that there was some other fracture in the outer 

 skin outside of the caisson through which the 

 water found its way into the ship, and then 

 into the caisson. One such rent, about 11 feet 



