Dr. Pmiwl ou Jt!ia£!im and Repuljm: 

 «hich afcend. in a given fpace, from the furfacs 

 of the earth. " By means of a httlc bees wax. • 

 fays he, " I faft^ned a half-crown very near, but 

 « not quite contiguous to the fide of the^glafs, 

 "and fetting the glafs, with its mouth down- 

 .. wards, en the grafs, it presently became 

 .. covered with vapour, except that part of .t. 

 « „hich was near to the half-crown. Not only 

 «the half-crown itfelf, was free from vapour. 

 .< but it had hindered any from fetthng on the 

 « glafs, which was near it, for there was a lut k 

 « fin. of glafs furrounding the half-crown to 

 « 1° diaa' ce of a quarter of an .nch wh.ch 

 .. was quite dry, as well as that part of the glafs, 

 .. Thich was immediately under the hal jcrown . 



•' ■■' ^"-l-r ' '"' aX e rS't^t harthl 

 « to that diftance. A lars^e rea w^n; 

 .«. fame effea as the half-crown , rt was ne.the. 



.. tned itfelf, nor was the ring of gUfs, con- 

 ..^uous to it, wetted. A -.cle of whue pape 

 .. produced the fame effeft, fo d,d feveral other 

 .. fubftances, which it would be ted.ous to 



cc enumerate. , j i j 



Do not the inftances of repulQon, here adduced, 

 «i^ various others, which may perhaps be 

 recoUea^'i and noticed by the Gentlemen pre- 

 fnl warrant us to conclude, that th.s pt.ncple 

 a powerful agent, in the operations of nature J 

 To this caufe: the air we breathe owes, pro- 

 <■ Watfon'i Chemical Efcys, »ol- "'• P- «+• 



