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’hours, 29 minutes, and 38 feconds, «quai of 
mean time. 
tObf. of Long. March 16, 1768, obfcrved by the fame, at the 
lame place, with the fame inltrument, an im- 
merfion of the fccond fatellite of Jupiter, at i2 
hours, 7 minutes, and i6 feconSs, equal or mean 
time. 
Obf, of Long. Adarch 16, 1768, obferved an immerfion of 
the third fatellite of Jupiter, at 13 hours, 38 mi- 
nutes, and 18 feconds, equal or mean time ; by 
the fame perfon, with the fame inftrument, at 
the fame place. 
"Obf. of -Long. April 9, 1768, obferv'ed by the fame perfon, at the 
fame place, with the fame inftrument, an emer- 
fion of the firft fatellite of Jupiter, at 1 1 hours, 
19 minutes, and 24 feconds, equal or mean time. 
Obf. of Long. April 10, 1768, obferved by thefameperfon,at the 
fame place, with the fame inftrument, an emer- 
Tion of the fecond fatellite of Jupiter, at 1 1 hours, 
38 minutes, and 45 feconds, equal or mean time. 
Obf. of Long. April 25, 1768, obferved by the fame perfon, at the 
fame place, with the fame inftrument, an emer- 
fion of the firft; fatellite of Jupiter, at 9 hours, 
and 37 minutes, equal or mean time. ' 
N, B. This obfervation is thought tohe as exadlas pof- 
fible, the fatellite emerging totally in an inftant, 
and the clock being truly regulated by a number 
of fingle and correfponding altitudes. 
ObC of Long. May 9, 1 768, obferved by the fame perfon, at the 
fame place, with the fame inftrument, an cmer- 
fion of the firft fatellite of Jupiter, at 13 hours, 
26 minutes, and 47 feconds, equal or mean time. 
Obf. of Long. May 1 2, i768,obferved by the fame perfon, at the 
fame place, with the fame inftrument, an emer- 
fion of the fecond fatellite of Jupiter, at ii 
hours, II minutes, and 34 feconds, equal or 
niean time. 
Samuel Holland. 
XXXV. Obftr- 
