43' 18" N., and the sun's, which is 22 deg.

59' 10" N.The difference, 1 deg.

44' 8" N.gives us Mercury's place, which it appears is rather less than 1-3/4 degree north of the sun.

Thus, about 1h.

42m.
after the sun has passed the cross-rod, Mercury will pass it between the first and second divisions above the point of fastening.