iSS On the System of Prize Chronometers at Greetmich. 



As my master's chronometer, which I shall call No. 1, 

 might be trusted, as to the regularity of its rate, for twelve 

 months together; and as my own watch, which I shall call 

 No. 2, might also be equally depended upon for its wregu- 

 larity ; I have taken these two months as a fair specimen of what 



would 



