ase ASTRONOMICAL OBSERVATIONS. 
DA ORR 2 AK L2 - - 48.11 30 
142. 32 PM de # - - 15, 1k 30 
A4 30 43 58 ~ we ta oA Sa TMS 
A-mean, = - - oo PST 3+ 96 
Equal of {interval = 4+ = ab 9 
Hence the clock was flow of the, © | 18 22 36 
It appears that the clock, by spree th the oblervati- 
-ons,. loft, between the 2d. and 4th, 38° 4242” or 19’ per 
day, and between the ath, and sth. 1 7" 5" or 18’.—+ 
Hence we may,conclude that its rate of going was regu- 
Jar, and that it loft 18”2 in 24 hours. The fllneitig ob- 
fervations were corrected accordingly: and reduced to ap- 
‘parent time, 
Obfervations of the Franfit of Mercury. 
The 1ft internal conta&t, was not feen. When Ifirft dif 
covered &, he was foniewhat advanced upon the fun’s 
limb,. and had an oval appearance, the longer axis :di- 
‘rected towards the body_ of the fun.—But at 8°. 3’. 107” 
The planet fuddenly affumed a round figure, and the firit 
internal conta&t was accordingly noted. 
The 2d, internal contag, 12. 53 4x 
The 2d5 external contact could not*be determined with 
any tolerable accuracy on account of the remarkable un- 
dulatory motion which appeared upon the fun’s limb, foon 
after the 2d internal contaét. Mercury difappeared to me, 
at, 12" 55! 2% T made ufe of an achromatic, magnity~ 
ing about 1 ¢0, 
Mr. Andrews, propetter SEhiaerielens with a xefle@-ae 
made by fhort, aad with a magnifying power of ¢ parrmade 
the following obfervations. 
‘The 2dinternal contact ae BGS. RE Ege 48" 
ad externa? contact ne Be Ser FO 
‘The 
