J 90 Freezing nf Merairy. — Monnikhnff's Medal, &c. 



FREtZING OF MEP.CURV. 



Some experiments Jiave been made at Hudson's Bay with 

 fioztrn quicksilver f, it has been reduced to sheets as thin a3 

 paper, by beat ng it iipon an anvil, wtlb a hammer, both at 

 the same temperature as; quicksilver. 



On plunging a mass of frozen quicksilver into a »!ass of 

 warm water, the latter was imujediatekv frozen, the glass 

 was shivered into a thousand pieces, and the quicksilver be- 

 came fluid again. 



moknikhoff's mfdal. 

 The trustees for distributing the prizes bequeathed by the 

 late M. Monnikhoff, of Amsterdam, have offered a gold 

 medal, of 300 ducats in value, for the best memoir upon 

 unibiiical hernia. The memoir may be written in Latin, 

 French, Dutch or German. 



M. ciiateauSriant. 

 Intelligence has been received at Paris from Constantirto- 

 ple, that this indefatigable traveller, after having traversed 

 Syria and Egypt, had arrived in good health at Tunis. The 

 Tuins of Carlhage had attracted M. Chateaubriant's particu- 

 lar attention. From Tunis he was to embark for Spain, 

 where his friends hope to receive very soon the intelligence 

 of his safe arrival. 



LIST OF PATI'S'TS FOR NF.W INVENTIONS. 



To John Syeds, of Rotherhithe Wall, in the county hi 

 Sqrry, compass-niaker ; for certain improvements in the 

 construction of a machine fur making rope or cordage,, 

 either shroud or cable laid, and in the mode of manufac- 

 turing the same. June 16. 



To Robert ;3arlo\v, of Spriu;]; Gardens, in the county of 

 Middlesex, chemist and njedical electrician ; for certain 

 oriental arouialic chemical compositions or compounds to 

 be made and moulded into various forms, shapes, and or- 

 namental devices, as amulets, in buuerflies, birds, shells, 

 and animals; and to be worn as an ornauicnt^l part of dres;; 



by 



