14 



INTRODUCTION, 

 the other by Mr. Arnold. I had alfo a pocket watch 

 conftru£ted by Mr. Arnold, by which I kept the longi- 

 tude to a degree of exaditude much beyond what I could 

 have expeded ; the watch having varied from its rate of 

 going only 2 40^^ in 1 2 8 days. 



In the Journal which follows, I mean to confine myfelf 

 to the occurrences of the voyage as they fucceeded in order 

 of time ; which, for the convenience of the generality 

 of readers, I have reduced from the nautical to the 

 civil computation : to this I fhall add, by way of Ap- 

 pendix, an account of all the experiments and obferva- 

 tions under their refpedive heads, that thofe who in- 

 tereft themfelves in any particular branch, may find 

 whatever they want, unmixed with foreign matters j 

 while thofe who may wifli only to trace the whole pro- 

 grefs of the voyage, as well as thofe who may be fatifl 

 fied with the general refults ol the experiments, will 

 find the account unincumbered with that detail which 

 I wifh to fubmit to others, who may chufe to examine 

 more minutely, and compare the fads with the con^ 

 clufions. 



A voyage of a few months to an uninhabited extre- 

 mity of the world, the great obje6l of which was to af- 

 certain a very interefting point in geography, cannot be 

 fuppofed to afford much matter for the gratification of 



mere 



