PHYSICAL AND LITERARY 79 



honour : And they certainly will be well 

 pleafed to find experiments upon this 

 head promifed by one of their own mem- 

 bers in the paper which has given occa- , 

 Con to the prefent obfervations. Expe- 

 riments cannot fail to fucceed under the 

 diredlion of a man whofe accuracy is 

 not inferior to his knowledge. 



, Art. 



