396 Lectures. — List of Patents fur new Inventions. 



RUSSEL INSTITUTION. 



A Course of Lectures on Electricity, comprising the 

 JHistory and Practice of ihat Science, its Application to 

 Meteorological Pha?nonicna, and the Extension of Chemical 

 Knowledge, will commence at this Esiablishnient towards 

 the close of December. They are to be delivered by Mr. 

 Georjie Sinaer. 



LIST OF PATENTS FOR NEW INVENTIONS. 



To Edward Silvester, of Rochester, in the county of 

 Kent, millwright, for his new drag or skid, to be applied to 

 the wheels of carriages of different descriptions. — Sept. 14, 

 1811. 



To Johannes Ambrosins Maas, of Hammersmith, in 

 the county of Middlesex, gent., for his improvement in the 

 making of vinecar. — Sept. 23. 



To James Needham, of Islington Green, in the county 

 of Middlesex, brewer and corn-dealer, for his portable ap- 

 paratus for brewing beer and ale from malt and hops. — 

 Sept. 23. 



To William Strahan, of Poole Cottage, in the comity of 

 Chester, chemist, for his new method of making salt. — 

 Oct. 1. 



To John Miers, of the Precinct of the Savoy, in the 

 county of Middlesex, jeweller, for a new method of ac-. 

 celerating the evaporation of liquid or fluid bodies, destroy- 

 ing the noxious and offensive effluvia arising from spent 

 soap lyes, or other liquid, fluid, or solid substances, and ge- 

 nerating an increased degree of heat without additional 

 fuel. — Oct. 30. 



To Frederick Koenig, of Castle-streel, near Finshury- 

 square, printer, for further improvements on his method 

 of" printing by means of machinery, — Oct. 30. 



To Richard Witty, of tlie town of Kingston-upon-Hull, 

 gent, for his further improvements in his invention for the 

 construction of steam engines, secured by letters patent 

 bearing date the J 4th day of February 1810. — Oct. 30. 



To Joseph C. Dyer, of Boston, State of Massachussets, 

 one of the United Slates, now residing in Gray's Inn, mer- 

 chant, who, in consequence of a communication made to 

 him by a certain Foreigner residing abroad, is become pos- 

 sessed of certain machinery to be used and applied in ma- 

 nufacturing cards for cardmg wool, cotton, silk, flax, and 

 tow, and other fibrous materials of the like description. — • 

 On. 30. 



To 



