256 Mr. nairne on Ice of Sea Water. 
28.5; that below at 2 5 0 . At leventeen minutes after fix, 
both the thermometers flood at 28.5, cryftals having 
rifen from the bottom covered the ball of that below, on 
which it rofe inftantly from 25 0 to 28.5. The thermo- 
meter in the open air continued as at firft; viz. at 19.5. 
The fcale of all the thermometers ufed in thefe 
experiments was Fahrenheit’s. I have fent herewith 
fpecimens of the water; viz. of the fea- water; of the 
water procured from its melted ice ; and of the refiduum 
of the fea-water from which the ice was taken. 
j 
i 
- ) 
* A 
XV. Eajy 
