480 



The Voyage cf H M S/'Challe^er" Physical Properties of Water PI I 



AVERAGE APPARENT COMPRESSIBILITIES for 1,2,&3 TONS, 



multiplied by 10 7 



470 



460 



450 



440 



430 



420 



410 



400 



39 



380 



500 



O'C 



10° 



20° 



F Hu«i, : 



