/■ 



\ 



WATER AND THE OCEAN. 



4 



efFed, which they certainly have wh^n made in a more enlarged 

 manner. A few years ago an experiment made on the dying of fcarlet, 

 did not fucceed when undertaken on a fmall fcale, whereas it pro- 

 duced the defired efFed when tried at a dyer's houfe with the 

 large apparatus -, and it evidently confirms the above affertion, which 

 I think I have a right to apply to the freezing: of filt-water. 





It 



therefore probable, that the ice formed in the ocean at laro-e in a 

 iiighcr latitude, and in a more intenfe degree of cold, whereof we 



L 



have no idea here, may become folid, and free from any briny 

 particles, though a few experiments made hy Dr. Higgins, in his 



houfe, on the freezing of falt-water produced only a loofe, fpun 

 ice, filled with briny particles. 





7 



The ice formed of fea- water by M 



Nairne, was very hard, 3 



inches long, and 2 inches m diameter; it follows from thence 



r 



the waihing the outfide of this ice in fi-eih v/ater. 



th 



the infide of a hard piece of 



Th 



v/ater, could not affed: 

 when melted, yielded 

 h was fpecifically lighter than water, which was 

 a mixture of rain and fnow water; and next in li^htnefs to diililled 



frefl 



water. 



Had the ice thus obtained, not been frefh, the refiduum of 



the fea water, after this ice had been taken out, could not have b 

 fpecifically heavier than fea-water. 



in M 



■water, v/hich hov 

 Nairne's experiment. It feems therefor 



was the 



cafe 



dent fr 



opimon 



V. 



that falt-water does fr 



N 



> 



d h 



no 



th 



• 



brinv 



ICE 



; 



/ 



I 



