INDEX. 



AcCUM, Mr. 123. 



Acids, their action on hyperoxygenized 



muriate of potafli, 178, 179 

 Air, experiments on condenfed, 163, 164, 



165 

 Air, Dalton on its mechanical condenfa- 



tion and rarefaction, 160 

 Alderfon, Dr. 60 



Aldini, Profeflbr, abftract of his experi- 

 ments on galvanifm, 298 

 Amontons on the expanfion of common 



air, 210 

 Apparatus for driving bolts into mips. By 



Mr. R. Philips, 36 

 Archimedes, 86 

 Atkins, description of his hydrometer, 



5o 



B. 



Barites, analyfis of hyperoxigenized mu- 

 riate of, 230 

 Barometer, a method of increafing its ftn- 



fibility, by J. Wilfon, 21 

 Barfhold, 98 

 Baume, 51 

 Bells, 40 

 Berard on palpable mathematics, 189, 



190, 191.-* — Defcription of his new fe- 



cret lock, 216, 276 

 Bergman, 118, 234, 239, 289 

 Bernoulli, 85 

 Berthollet, 172, $75, 176, 177, 236, 



266, 245 

 Befant, his water wheel, 49 

 Bettancourt, 207 

 Biftres, for enamel, obtained from mixed 



oxides, 151 



Vol. Ill, 



Black colours for enamel, difficult to be 



obtained, 152 

 Blow pipe, defcription of a cheap and fim- 



ple, 1 — Of Haas, 119 

 Blues for porcelain, obtained from ths 



oxide of cobalt, 150 

 Books, account of, 62 

 Boffut, 81 

 Boftock, Dr. on the theory of galvanifm, 



69.— On the unexpected production of 



fulphate of magnefia, 288 

 Bournon, Count de, 90, 98 

 Bramah, 217 

 Britim Mufeum, the prefent ftate of, 



246 

 Brongniart, on the colours obtained from 



metallic oxides, 101, 148 

 Buat, 29, 30, 32 

 Von Buchj 17 



C. 



Caloric, Henry on its materiality, 197 



Carlifkj 78 



Cavendiih, 206 



Charcoal, effect of its galvanic ignition on 

 muriatic gas, 1 38 



Charles, 258 



Chenevix, on oxigenixed and hyperoxige- 

 nized muriatic acid, 171, 229,— On 

 the magnetic property of nickel, 286 



ChlaaVi, 98 



Clement, 301 



Colours verifiable, obtained from metallic 

 oxides, 103. — The changes they un- 

 dergo on porcelain, 106, 107 



Crawford, Dr. 133, 134,201, 202, 204. 



Cruickfhank, 4, 11, 54, 76, 176, 183 



Cuthbertfon on a method of diftingui&ing 

 the two kinds of electricity, 188 



b D. 



