[ i8 ° ] 
15th May, 1768, double angle of 
meridian altitude of the Sun’s 
per limb. 
Error of adjuftment of quadrant to 
the left. 
Semi-diameter fubt. 
App. alt. of center. 
Refraction, 
— - 90 Sun’s zenith diftance = 
Sun’s decl. reduced to the merid 
of obfervation 
Lat. of the S. Point of Gafpee Bafon, 48 47 30 
GEORGE SPROULE. 
} • 
// 
f I 2 I 
IO 
0 
} • 
O 
35 
I 2 I 
9 
2 5 
), 60 
34 
4 2 l 
5 1 
60 
18 
3 1 
60 
18 
20 
2 9 
41 
40 
) l 9 
5 
5° 
* i. e. The © ’s declination, at the time of his pafling the 
obfeiver’s meridian, computed from tables adapted to another 
meridian, according to the known or fuppofed longitude of one 
meridian from the other. S. Horsley. 
Mr. 
