C *35 3 
yi. A Synopfis of the Calculation of the Tranfit 
of Mercury over the Disk of the Sun, the 
ijth of October 1743. h Mr. John 
Catlyn. 
Read Nov. tf. r T^H E Equal] D H ' " 
I742 ‘ X Time of the >Oft. 24. 22 15 5S 
true 6 Greenwich . . J 
The Equation of Natural Days add 16 1 1 
Apparent Time of the true 4 0 £i. 24. 22 32 9 
South. 
At which time the true Place of the 1 
Sun and of Mercury feen from!> m, 12 
the Earth j 
The Geocentric Latitude of Mer~< 
cury J 
The Elongation in 5 Hours (i. e.) ) 
the 2 J immediately preceding r 
and following the 6 . . . j 
The Difference of Latitude in the ? 
fame time £ 
Therefore the Angle of the appa--* 
rent Way of $ with the Ecliptic J 
And theDiftance of their Centres} 
at the time of their neared Ap- k 
proach j 
And the Motion of Interval be - 1 
tween that and the 6 . . £ 
And the hourly Motion of Mer- 
cury in his Path over the Disk | 
of the Sun 
8 
36 44 
9 37 
29 16 
4 24 
3 3 OO 
9 31 
.. y 
I 26 
5 55tf 
H h 2 
And 
