INDEX. 



Bodies, inanimate, figns of the weather 

 f,om, 153 



Boeihaave, 33 



Boletus Lachryn^ans, the caufe of the dry- 

 rot, 316 



Bouvier's galvanic experiments with ice, 

 and method of rendering the eleftric 

 attraftion of the pile very evident, 303 



Bradley, Dr. 253 



Bramah, Mr. 5a 



Brancas, 311 



Braun, 165 



Briggs, Dr. on a method of uniting ful- 

 phur and phofphorlis without danger to 

 the operator, 58 



Brugnatelli on prufliate of potafli and on 

 fulminating muriate of filver, 285 — 

 on the adtion of the galvanic pile upon 

 the cloth difks, 320 



Bucholt, 74 



Bucknall, T. S. D. Efq. on the varieties 

 of engrafted fruit frees, zzy — On the 

 criterions of cyder fruit, 307 



Cadet, on the formation of ice in the 

 cavern of Grace-Dieu, 44 



Cancer in the tongue, cure of, 50 



Cattaneo, 477 



Cepede, 28 x 



Chabaneau, 99 



Chay root, communication refpefting, 294 

 —Affords a beautiful and permanent red 

 dye to cottons, 295 — Experiments on, 

 496 



Chenevix, R. Efq. his enquiries concern- 

 ing palladium, 85, 176— Letter from 

 him refpedling the new metal in crude 

 piatina j beetfugar, aguf^ine earth, and 

 a new furnace, 117 



Chimnies, account of a machine for 

 fwecping by a blad of air, 246 



Clairault, 102 



Climates, hot, modify the vegetable pro- 

 duftions of tlie cold, and create new 

 ones, 129 



Clofe, Mr. on the combinations for fup'* 



plyi^ng worm- tubs by a fyphon, 191 

 Cloth converted into foap of wool by the 



adlion of galvanifm, 320 

 Clouds, figns of the weather from, 152 

 Cold, its adtion on time- keepers, 206 

 Colours, complementary, 24 

 — — — durable red, obtained from the 



chay root, 295 

 Combination and mixture, differences be- 

 ' tween, 98 

 Combuftion of metals by galvanifm, 207 



— Propofed apparatus for, 269 

 Condudlor, an imperfeft, takes eleftricity 



from a galvanic pile, and is charged 



like it, 288 

 Congelation does not prevent evaporation, 



15 

 Cotton, a beautiful and permanent red dye 



for, 295 

 Cowie, Mr. on the properties of gumku- 



teera, 301 

 Crank, on its adlion as oppofed to that of 



the fly, 133 

 Cream, remedy againft the effects of 



thunder on, 122 

 Cullen, 37 

 Curaudau^s new procefs for fabricating 



alum, 63 

 Cyder fruit, on the criterions of, 307 



Dalby, Mr. no 



D'Alefme's fteam engine, 313 



Dalton, Mr. on mixed gafes; on the force 



of fteam j on evaporation j and on the 



expanfion of gafes by heat, 5 

 Damafcus fword blades, attempt to Imitate, 



120 

 Darby, Mr. 314 

 Davy, Mr. 98 

 Decompofition and efflorefcence of glafa 



tubes, 306 

 Degree of the earth meafured in Lapland, 



76 ^ 



De Laet, 276 



Denfity, irregular of compound bodies, io» 

 Defagulicrs, 



