INDEX. 



Dalton on the expanfion of elaftic fluids by 

 heat, 130. — On heat and cold produced 

 fry condemnation and rarefaction of air, 

 160.— His theory of mixed gafes, 267 



D av y» 4> 5> i°» ", 12, ?lj 76, 130, 

 198, 199, 202.--.On galvanic electri- 



<%> 135 



Deluc, 212, 262 

 pefaguliers, 187 

 Deformes, 301 

 Dew, Prevoft on, 190 

 Duvernois, 215, 264 



Ikeberg, A, G. on the properties of the 



earth Yttria and on Tantalium, 25? 

 Electricity, on the two kinds, W. N. 



121 

 Englefield, Sir H, on the reparation of 



light and heat by refraction, 125, 126, 



127 

 Sytelwein, 28, 30, 32, 80, 81, 86 



Falconet, 99 



Fluxes for porcelain colours, 104 



Fontana, 299 



Fortis, 17, 18 



Fourcroy, 135, 236, 237 



Franklin, 78, J22 



G. 



Galvanic apparatus, theory of its action, 9. 

 —Remarks on, 74, 75, 76, 77 



Galvanifm, outline of its hiftory, 3. — 

 Boftock on the theory of, 69.— Expe- 

 riments on, 72, 73 — Abftract of Al- 

 dini's experiments on, 298 



Ganges, 33 



Garnerin, 57 



Carnerin, account of his fixth defcent by 

 a parachute, 143, 144 



Garnet^ Dr, forne account of his life, 63 



Gafes, dilatation of the different, by heat, 

 214.— Gay Luflac on the dilatations of, 



134, *57 Mr. Dalton's theory of 



mixed gafes, 267.-— Cannot be held to* 

 gether by chemical affinity, 270 



Gay Luffac on the dilatations of gafes and 

 vapors, 207, 257 



Geoffroy, 239.-p-.On fome peculiar habits 

 of the ihark and pilot fifh, 302, 303, 

 304 



Geyer, 253 



Girard, 226, 228 



Glafs painted, beft method of baking, 

 109 



Glafs, Wedgwood on a method of copy- 

 ing paintings on, 167, 168 



Gough, Mr. John, his reply to Dr. 

 Young's theory of compound founds, 

 39, 146 



Greens, are obtained from copper, 151 



Gren, 184 



Guyton, 215, 264. — On the affinities 

 of pruffic acid, 193 



H. 



Haas, description of his blowpipe, 119, 



I20 

 Haldane, Col. 3, 5 

 Hall, Sir James, jjS 

 Hamilton, Dr. 226 



Hand Mill, description of the Indian, 18$ 

 Hauy, 189, 190 



Heat, Henry on its materiality, 197 

 Henry, Mr. W. on the materiality of 



heat, 197 

 Hermftadt, 89 

 Howard, on certain ftony fubftances fup. 



pofed to have fallen on the earth, 88, 



X S3» »43 . 

 Hoyle, 172 

 Hull, propofal for a commercial college at, 



60, 6x 

 Hunter, Dr. 129 

 Hutton, 19, 20, 113, 115 

 Hydraulics, Dr. Young's remarks on, 25, 



79 

 Hydrometer, description of Mr. Atkim's, 



5° 



h 



