INDEX. 



lichen Panllus yields a blue dje, 219 



J.ight of lamps dlfperled by means of 

 IhadeS) 2Z 



Lighiinini;, enumeration! of (hips ftruck 

 by, where the deftruftive eftefts have 

 a£ted in a vertical direction towards 

 the centre of the earth, and never 

 horizontally, 318 



Limeftone, formation of, 207 



Light, fee Heat 



Lower's difcoveries in chemiftry prior to 

 the time of Lavoifier, 91 



Ludlam, Mr. 281 



Lycopodium, fee Mofs 



M. 



Macqurr's hypothefis of chemiftry, 162 

 Madifon, Bifhop, on the Aippofed for- 

 tifications in Noith America, 271 

 Magnetic telefcope, 179 

 Mahogany yieldo an aurora dye upon 



cotton, 230 

 Manuring, 154 

 Mafkelyne, Dr. 281 



Mayow's chemical theory, 162.— On the 

 augmentation of weight acquired by 

 metals in oxidation from the air, 231 

 Menfuratio:i of heights by the barometer, 



1, et fej. 

 Metherie, De la, on light, 165 

 Miilin on the ore of columbium, 181 

 Mineral, a new one found in Cornwall, 



its defcription and analyfis, 134, 138 

 M' M's inquiry as to the- caufe of ftorms 

 on the coaft of Cornwall being fome- 

 times preceded by a fwell of the fea, 

 ,85 

 Mongolfier's water ram dcfcrlbed, and its 



utility examined, 98 

 Morveau, 248 

 Mofaic gold, method of preparing, 39. — 



Experiments on, 42 

 Mofies, dyes obtained from d ffcrent 



fpecjes, 227 

 Mountains have been elevated out of the 

 fea, 304 



Mudge's detached elcapemenfc for chro- 

 nometers, 288 



Muigrave, Lord, his voyage to the Nopth 

 Pole, 209 



Murray on the origin of heat and Ji^ht, 

 163, 165 



N. 



Nauche and Tourlet's report from the 

 Galvanic Society of France, 350 



Newton, Sir Ifaac, his theory of gravita- 

 tion, 161. — Of light, 163, 256 



Nieuwentyt, Dr. on the expaniion of air 

 in heated minium, 90 



Nomencliture of chemiftry, the new, 

 has caufed various theories to be ad« 

 mitted without fufScient examination, 

 237 



Northmore's experiments on the com- 

 prefTions of the oxigenated muriatic 

 acid gas, 55 



O. 



Oldenburgh, Mr. 564 



Oxidation, modern theory of, obferved 

 and publiflied prior to its beinj^ noticed 

 hj Lavoifier, 90, 93, 231, 224 



P. 



Pachianl's experiments in galvanifm, 9^, 



171, 342 

 I'aints made with fifh-oll, 258 

 Paper-Hangings, &c. improved method of 



printing, 192 

 Paracelfus, 162 

 Peel, Mr. his experiments in galvarnfm> 



doubts refpedting, 98, 343 

 Pine Bark an excellent tonic, 230 

 Pife, a method of building with comm.on 



earth, defcribed, 213 

 Pitot's method of meafuring a (hip's 



velocity, propofed improvement of, 



343 



Flayfair, 



