this place is nearly 42° 25' N. and the difterence of 
meridians weft from London about 4^ 44'. But this 
may be farther afcertained by the following emerfions 
of Jupiter’s fateliites, which I obferved with the 2 
feet rcftedor. 
EmeiTions of Jupiter’s firft fatellite. 
Apparent time. 
j, / // h t ft 
1768 April 25 9 13 52 1769 May 14 10 19 7 
I fubmit the foregoing obfervations to your candid 
acceptance ; and am, with great refpeft, 
Reverend Sir, 
Your moft: obedient humble fervant, 
John Winthrop. 
May (8 9 27 27 
June 10 9 37 2C 
3 9 45 5 + 
Emerfion of IJ’s fecond fatellite. 
June 7 9 I 
Aug. 23 7 31 50 
XLVUi Of 
