INDEX. 



L. 



Lakanaly 164 



Lalandp, Jerome de, on tlie figure of the 



orbits of the new planets, 2Z2 

 Lambton, Brig. Maj. 18 

 Lamp, defcription and drawing of an im- 

 proved chemical, with double concentric 



■wicks, 266 

 La Peroufe, 66 

 La Place, 22, 160 

 Lavoifier, 172 

 Lead, placed in azote gas is not fufed by 



eleftricity, 82— Memoir on the oxides 



of, 280 

 Legendre, 13, 152 

 Lelievre, 187 

 Levelling, of land, defcription of a machine 



for, 18 r 

 Light, intenfe., difengaged from charcoal 



by galvanifm, 73 — Experiments on, 



214-- On certain chemical effects of,293 

 Linnaeus, 107, T31 

 Litharge, analyiis of, 29I 

 Lack, account of an Egypii^n one of great 



anticjuity, 115— Impovemcntby which 



It is rendered fafe, 1 1 7 

 Longitude, on the m* thods of finding it 



at fea, 65 



M. 

 Machine for clearing roads from mud, 29 

 — -— — - early hydraulic, 35 



. for levelling land, 181 



Rfagnefia, method of fep<iraili)g it from 



the bones of animals, 26— Precipitates 



earths and oxides from their folutiuns, 



274 

 Magnetifm, experiments on, 1S4 

 Maitland, J. Efq. 277 

 ,Mafkelyne, Dr. 48, 160 

 Mafon, 160 

 Maffey, Mr. E* defcnpt*'>n of his n#w 



ftiiking part for a clock, 162 

 Mather, Cotton, 107 

 Matiack, T. Efq. m 

 Mawe, Mr, 259 

 Mayer, 160, a 3ft 



Mercury is a better tonduder of heat thaji 

 water, 138 



Meridian, meafurc of an arch of, in the 

 My fore, 1 8 



Merlin's gouty chair, 37 



Metallic fubflance, on the exiftence of a 

 new on? in platina, iiS-r-Chemical ex- 

 amination of it, 125 



Metals, antiquity of a belief in the tranf- 

 mutation of, 28 — Eftedls of eleftricity 

 on, 82 — Their hidrogenation has differ- 

 ent degrees, 178— Their oxidation in 

 water produces an acid, 185 — Two new^ 

 ones. 220 



M^yer, 164 



Mineral which contains a new earth, 207 



MQon, on the courfe and velocity of g 

 body projcdled to the earth from, 22—. 

 Inequalities in her motion, 160 



Morozzo, 146 



Mortar, its effects on timber, 11 



Mofaic work of glafs, Roman, 227 



Moxon, 36 



Mudge's remontoire, 48 



Muller, 6 ■ • ■ 



Muriates! triple of platina, experiments 

 on the, 121 



Murray, 140, 169, 198 



Muffin-Pafchkln, 122 



N. 

 Nalrne, 8r 



Na|;rum of the anc'ents, 226 

 Nemnich, Dr. P. A. letter from him re- 



(peding Humboldt's death, 303 

 Newton, Sir L 12, 160, 214 

 Ncholfon, 71, 131, 198 

 Nitiate of lead, component pjrts of, 28J 



—Three varieties of, 28 S 

 Nitrogen, on its abforption in refpiration, 



40 

 Nomenclature for metallic oxides, pro- 



pofcd, 292 



o. 



Oak-timber, caufes of its decay, 7 

 Obfervation, method of determining the 

 eccentricity of the place of, 156 



Ochrojt 



