Upon a REMARKABLE COLD. 



'53 



DECEMBER 29. 1783. 



FROM fun-fetting till paft ten o'clock this night, the heavens 

 were fometimes clear and fometimes overcaft, which induced 

 me to go to the Obfervatory in hopes of feeing the planet, and 

 of tracing farther the effects of fuch a fluctuation of the atmo- 

 fphere upon the thermometers. On my way, I was overtaken 

 by a low fog or mift, and the thermometers being immediately 

 expofed, as before pointed, as follows : 



DECEMBER 29. 1783, at night. 

 Mift increafing, and very thick, 



ii ao 



ii 3'o 



11 4'5 Ditto 



12 I'D Ditto, 



12 i '5 Still very thick 



AIR. 



+ 12 

 + 12 

 + 12 

 + 12 



SNOW upon 

 the ground. 



+ 3 

 + 9 

 + 10 



+ 10 

 + 12 



u 



DECEMBER 



