YO O^ GALVANISM. 



Hence the From thefe examples we may fee the nature of fortuitous 



nia^'be*^wef/" ^^'^"^5, how regularity riTes out of irregularity; the error of 

 determined, one time-keeper correding that of another in a wonderful 

 manner; and as the number of time-keepers increafes, the 

 error will decreafe, until i( be alraoft annihilated. Confe- 

 quently the method of finding the longitude at fea is no longer 

 doubtful, as it may, by this method, be found to any degree 

 of precifion that may be ufeful in navigation, 

 and the expence The only obje6tion that can be advanced againft it is the 

 is inconfiderable. expence; but the fum of two or three hundred pounds bears 

 no proportion to the value of a Britifli fquadron, nor even to 

 the value of a fingle Eaft India fliip ; and this fum would pur- 

 chafe as many time-keepers, at their prefent reduced prices, 

 as would, I prefume, be fufficient to fecure any ftiip from that 

 danger which might arife from the want of knowing the 

 longitude. 



ictter. 



EZEKIEL WALKER. 



Lynn, April 19, 1804'. 



II. 



'* On Gahanifjn, By C. Wilkinson, Efq, 



May 6, 1804, 

 To Mr. NICHOLSON. 



SIR, 



, - JOEING now engaged in feme philofophical lectures at Bath. 



Introduaory ,.r ■ r <. .,t^ 



1 nave had irequent opportunities or converung with Dr. 



Gibbes, a gentleman of confiderable fcientific information, 

 relative to his opinions as to the apparent decompoiition of 

 water by the galvanic procefs. As many gentlemen of emi- 

 nence in this department of philofophy are converts to his doc- 

 trine, I beg leave, through the medium of your valuable 

 Journal, io ftate the outlines of Dr. Gibbes's theory to the pub-^ 

 lie, with a few curfory obfervations which have occurred to me. 

 I am. Sir, 



Your's with great refpefl^, 



C. WILKINSON, 



No. l9,Soho-Sguare, 



Soot) 



