I N tf^Xl 



I. 



Fabricluf, 218 



^aWun, description of the smelting 

 furnace there, 202 



Fire-damps in coal pits, 155 



Flints, formation of, 114— Analysis of, 

 115 



Flour paste, experiments on, 54 



Fluids, resistance of, prize question on, 

 by the Petersburgh Academy, and 

 answers, 72 



Fluoric acid in teeth and bones, 75 



Folkes, M. Esq. 264 



Fossil shells in America, 159 



Fougeray de Laurmi, M 115 



Fourcroy, M. 23, 182— On the action 

 bf sulphur on charcoal, 4-3 



Fourmi, his invention of a porcelain 

 capable of bearing the action of fire, 

 293 



France, geological tour through part of, 

 212 



Fremy, M . his observations on the com- 

 bination of fixed oils with the oxides 

 of lead, and with alkalis,. 231 



Fruits, new and early, method of pro- 

 ducing, 189 



Fulminating compound of silver, 140 



Furnance at Fahlun, in Sweden, de- 

 scribed, 202 



Gahn, Mr. his alloy of cerium and 

 iron, 77 



Galena, e^Tects of heat on, 202, 209 



Galvanic pile of vegetabk subs lance?, 

 159 



Galvanism, 155 



Gases, absorption of by water, 123— 

 Produced by nitrous ether, 145 



Gay Lussac, M. 182— On the absorp- 

 tion of gases by water, 125— On eu- 

 diometry, 126— On the glaze of com- 

 nroa pottery, 29Z 



Gchlen, M. oii the existcnct of i\wn& 

 acid in teeth and bones, 75— His dis- 

 covery of muriatic ether, 1^2 



Gems, artificial, method of det«cting, 

 99 



Geneva, Lake of, brief description of 

 several mountains in its neighboiu-* 

 hood, 301 



Genoa, account of the antique vessel 

 there called Sacro Catinoy 97 



Geoffrey, 218 



Geological observations in France, &c. 

 210, 295 



Geometrical instruments, improve<^ 

 219 



Gimbernat, Dr. on the waters of Aix 

 la Chapelle, 41 



Giobert, M. on magnesian earth, 293 



Glassy coloured, of remote invention,. 

 99 



Glass, means of ascertaining the qua* 

 Kty of, 142 



Glass obtained from aitificial feldt spar, 

 294 



Glaze of earthenware defective and per- 

 nicious, 292— Test fur proving the 

 quality of, 294 



Gluten of flour paste, experiments on, 

 34, 37 



Gough, J. Esq. his description of it 

 correct chamber barometer, 81— *On 

 the theory of ear trun)peti?, 310— 

 Correction of a mistake respecting \.\\q. 

 degree of cold at which water may 

 retain its fluidity, 315 



Gold, colours produced by when heat-» 

 ed, 135 



Gooseberry jelly, experiments on, 34 



Gravesande, M. his experiments on in • 

 flexiony 131 



Grapesy hints on the improvement of 

 the growth of, 194 



Grease, medicinal compounds made 

 with it, 105 



Gueniveau, M. his account of the me- 



tallurgic treatment of pyritons copper 



at the mines of Chessy and Sainbel, 



in the department of the Rhone, 31 



^Oa 



