INDEX. 



Johnfon, B. Efq. on the caufe and cure 



of the dry rot, 316. 



— Dr. 278 



Jones, Mr. on Dr. Wollafton^s fpe£lacle- 



glaHes, 192 

 Iron and lead employed in the conftruftion 



of gridiron pendulum rods, 300 

 Ifle of Wight, geological account of, 183 



K. 



Kalm, Prof. 275^ 



Kennedy, Dr. 119 



Klaproth's chemical examl Ration of a 



new vegetable fait and acid found in 



the mulberry, ^29— On the application 



of platina on porcelain, 286 

 Knife, a large one moft ufeful in making 



a pen, 300 

 Knight, F. A. Efq. 

 Kuteera, gum, defcriptlon and properties 



of, 301 



L. 



Lalande, on the meafure of a degree of 

 the earth in Lapland, 76, 220, 256 



Lampadius, 118 



Lavoifier, 33 



Lead and iron, employed in the conftruc- 

 tlon of gridiron pendulum rods, 300 



Leech, figns of the weather from, 156 



Lever fire engine, invention of, 314 



Light, variety of tints in the Ihadows pro- 

 duced by two, 23 — FlaGies of, d wring 

 fnow, 57 



Lime, does not cryftallize, 319 



Linnaeus, his opinion of the fafcinating 

 powers of fome animals denied, 278 



Liquids, fermenting, effedls of thunder 

 on, 122 



Longitude, its determination by time- 

 keepers fuperior to any other, 203 



M. 



Machine, eledlrical, improvement in, 124 

 advantages of, 126 



Machine for fweeplng chimn'ies by a blaft 



of air, 246 

 M*Kean, the inventor of a compound 



barrel and winch, 267 

 Macquer, 33 

 Maries, queftion r^fpefting the nature, 



fpecies, and ufes of, 318 

 Mars, occultation of a fixed flar by, 198 

 Martin, 292 

 Mafkeiyne, Dr. 253 

 Mather, Dr. 274 

 Meafures and weights, on the expediency 



of reducing the foreign to Engliib, 77 

 Mechain, 76 



Meicury is evaporab!e, i5-~Method of 

 uniting it with platina,- 92 — Its fixa- 

 tion in palladium accounted for, 100 

 Metals, a new one difcovered in the ore 

 of platina, 76 — Method of obtaining, 

 117 — Experiments to prove affinity 

 among, 176 — General conclufions, 180 

 —Laws of their combuftion by galva- 

 nifm, 207 — New apparatus to produce 

 this efFeft on, 269 

 Meteor, fiery, of Nov. 13, enquiries re- 



fpefting, 66 

 Mills, fmall, in Portugal, 298 

 Mirrors, queries refpefting the images ex- 

 hibited by different, 71, 236 

 Mifts, figns of the weather from, 153 

 Mixture and combination, differences be- 

 tween, 98 

 Moifture not neceffary in galvanifm, 305 

 Moon, figns of the weather from, 151 

 Moroxylate of lime, chemical examination 



of, 132 

 Motion, tremulous, one of the caufes of 



fermentation, 123 

 Movement, repeating, for clocks and 



watches, a new and fimple one, 157 

 Moura, Mr. 314 



Muriate of lime is evaporable, 15 

 ■ of filver, fulminating, prepara- 



tion of, 285 



of tin, the moft delicate teft of 



platina; 178 



Natura 



