374 List of Patents for New Inventions —Lectures. 
In order to facilitate the finding again of this comet, 
M. Besse! has calculated the following places of the same 
for the midnight of Pars: 
Degrees of Ascension. South Declination. 
,January'15,..-, 25° 14° - + - 39° 18’ 
January 25, .- 19 40 -+ -, 7 29 34 
February 4, 5;7,).17), 38) (oF mites 23) 58 
Until the 16th of February this comet will become clearer 
and more brilliant than it was on the 10th of November, the 
day of its first discovery. 
W. OvzeErs, Dr. 
LIST OF PATENTS FOR NEW INVENTIONS. 
To Walliam Henry Wyatt, of Hatton Garden, gentle- 
man, in consequence of a communication made to him by 
a foreigner; fora new discovery of the means of facilitating 
the chemical action between copper and several saline sub- 
stances, so as to produce important improvements in the art 
of separating gold and silver from copper plated or united 
with either of those metals, and in the manufacturing of 
sulphate of copper, and in the making of many kinds of 
colours for painting. January 15. 
To Chester Gould, of Birmingham, in the county of 
Warwick ; for his invented improvement or machine to as- 
certain the weight of any thing to the amount of ten tons 
and upwards, to be made use of instead of the common 
steel-yard, or beams and weight. January 24. 
LECTURES. 
On Monday, February 3, a Course of Lectures on Physic 
and Chemistry will recommence at the Laboratory in George- 
street, Hanover-square, at the usual morning hours, viz. 
the Medical at Eight, and the Chemical at Nine in the 
morning, by George Pearson, M.D. F.R.8., of the Col- 
lege of Physicians, senor Physician of St. George’s Hos- 
pital, &c. . 
A Clinical. Lecture is given every Saturday Morning at 
Nine o’clock, on the Patients in St. George’s Hospital. 
Proposals may be had in George-street, and at the Hos- 
pital. 
1 METEORO- 
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