taking ; and the laft lines, which I believe he ever wrote, were 

 upon this fubjed. In a philofophical enterprife of this extent, as 

 General Roy has feelingly remarked, there are more difficulties to 

 be overcome, and more expedients required, than could be eafily 

 forefeen. Three fummers were confumed in operations that it 

 was fuppofed would have been accompliflied in two or three 

 months ; and a great part of this delay arofe from the neceffity 

 of keeping up conftant communications with diftant obfervers. 

 If the Telegraph were employed in fuch a furvey the bulinefs 

 might be conduded with eafe and fatisfadtion ; the irkfome in- 

 terruptions arifing from the diftance of ftations would be avoided, 

 and every flep would be progreffive. 



The fcience of m.eteorology, which has lately been cultivated with 

 fo much good fenfe by Mr. Kirwan, might receive great affiftance 

 from the Telegraph, when eflabliftied in the principal parts of 

 this kingdom and of Great Britain : A communication fwifter 

 than the wind would prepare the attention to obferve thofe phoe- 

 nomena in different places, which are fuppofed to precede florms 

 and fair weather. The manometer in particular might be cor- 

 reded from the comparifon between diftant obfervations made at 

 the fame moment.- 



Whenever the aeroftatic balloon is employed for the pur- 

 pofes of fcience, the power of communication between the clouds 

 and the earth, between different balloons at various heights and 



in 



