576 



U. S. BUREAU OF FISHERIES 



ber, connected with a brine pump. The pump draws up the brine 

 formed by the ice and salt mixture and forces it into pipes, which 

 distribute the brine as a spray over the boxes of fish. The cold 



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brine trickles down into the boxes, through the holes and apertures 

 in the lids, and coming in contact with the fish, freezes them. 



An improvement 41 on the original consisted in a tank divided into 

 chambers, wherein the ice and salt mixture was placed. The brine 

 formed passed through the pump without entraining the cracked ice. 



41 U. S. Patent 1177308, Mar. 28. 1916; British Patent 6711, Mar. 17, 1914. 



