76  " Patents.— Astronomy. 
collection of minerals, consisting of more than 100,000 speci- 
mens, and valued at 150,000 crowns, to the Mineralogical Aca- 
demy of Frevberg. 
Dr. Spurzheim having finished his Course of Spring Lectures 
_on the Brain, set off on Monday the 21st of July for Paris. The 
period of his stay in France is uncertain, 
LIST OF PATENTS FOR NEW INVENTIONS, 
To Thomas Wedlake, of Hornchurch, Essex, for certain imi- _ 
provements on ploughs.—Dated 5th July 1817.—To specify in 
2 months. = W 
‘To David Brewster, LL.D., of Edinburgh, for a new optical 
instrument called The Kaleidoscope, for exhibiting and creating 
beautiful forms and patterns of general use iv all the ornamental 
arts.—10th July.—2 months, 
To Captain Samuel Brown, R.N., for his improvement in the 
construction of a bridge, by the formation and uniting of its com- 
ponent parts in a manner not hitherto practised,—10th July.— 
6 months. 
To William Henry Simpson, of Bickington, Devon, for cer- 
tain improvements in the machinery for the spinning of wool, 
cotton, and other fibrous substances.—10th July.—2 months. 
To Richard Farmer Brain, of Salford, Lancaster, brewer, for 
an improvement or apparatus calculated to obtain or generate gas 
in a more ceconomical manner than heretofore, from coal or any 
other article, material, or substance, for lighting or heating 
houses, manufactories, or other places where light or heat is re- 
quired.— 10th July.—6 months, 
To Henry Tritton, of Clapham, Surrey, for his apparatus for 
distilling.— 15th July.—6 months. 
To Thomas Aspinwall, esq. of Bishopsgate Church-yard, Lon- 
don, for an elliptic valve-pump box, communicated to him by a 
certain foreigner residing abroad.—16th July. —6 months. 
—= 
Astronomical Phenomena, August 1817. 
D. HH. M. D,H. M. 
4.0.0 9 215 Mayer*12°N. 18.525 Dan 
4.0. O ( apogee 19.3.4 Dxx 
-4..0.0 9 223 Mayer* 6 N. 19.745 DAH 
5.958 »o 20.19.31 ) 6 Ophiuchi 
6.439 DAY 22.4.6 Dot 
8. 0,15 9) 125% 22.8.2 Do ft 
8.0.16 )p132¥ 23. 2. 1 © enters ny 
14.15.36 p vy my 25. 3.11 ) EVs 
15.18.51 Dyn 30.12.19 Dox 
17. 0. O j perigee 
Meteoro- 
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