INDEX. 



Bolt for book-case doors, 154 



Bond, Mr. 30« 



Bostock, Dr J. his experiments on 



palm oil, 161 — (See also p. 320, for 



errata. ) 

 Brewster, Mr. his new astrometer for 



finding the rising and setting of the 



stars and planets, and their position 



in the heavens, 326 

 Brinkley, Rev. J. communication from, 



23 

 Brown's theory of irritability, 347, 548 

 Bruckman's History of Turquoises, 183 

 Buch, Von, his discovery of rutile, 132 

 Bugs, inquiry relative to the means of 



destroying, 324 

 Burrows, Mr. 302 

 Butterby mineral waters, 319 



C. 



C. Letter of inquiry from, respecting 

 shoe blacking, 237 



Calculi, gouty and gravelly, experi- 

 mental inquiry into, 335 



Callandrelli, M. his observations on the 

 stars' distance, 386 



Caloric, observations on Professor Les- 

 lie's theory of, 270 



Calorimeter, description and use of, 167 



Campbell, Dr. on the Dutch herring 

 fishery, 149 



Canton's phosphorus, 102 



Canton, Mr. John, his observations on 

 the diurnal variation of the horizontal 

 magnetic needle, 297 



Carraderi, Dr. observations of, shewing 

 that water is not deprived of its oxi- 

 gen by boiling, 75— Reference to his 

 paper on the light of natural phos- 

 phori, 103 



Catch- water drains, 369 



Cavendish, H. Esq. 73— On the vari- 

 ation compass of the Royal Society , 294 



Celtic Academy, 239 



Chamouny, see Pits, 385 



Chaptal, M. his account of the tur- 

 quoise stone, 182 



Charles, M. his exhibition of the In- 

 visible Gill, explained, 69, 119 



Clanny, Dr. his history and analysis of 

 the mineral waters at Butterby, 319 



Clayton, Dr. discovered the use of car- 

 bonated hidrogen previous to the year 

 1664, 83, 170 



Clock of the famous John Harrison, 

 which does not require cleaning, 159 



Cloth of a surprisingly fine quality, me- 

 thod of weaving, 235 



Coals, light produced from the distilla- 

 tion of, 73, 83 



Coccinea plaintaiii, see Manilla hemp. 



Cocks, game, on the breeding and feed- 

 ing of, 217 



Cogan, Dr. his drag for raising the bodies 

 of persons who have sunk underwater 

 described, 273 



Colcothar, improvement in the manu- 

 facture of, 96 



Coldeviliars on the acid contained in 

 urine, 341 



Collini's ascent to the summit of Vesu- 

 vius, unsatisfactory, 278 



Compass, variation of, 294 



Compensation balance, a new perma- 

 nent one, 120 



Compt, Lft, his letters on China, 369 



Concretions, see Calculi 



Congelation expels from water all the 

 oxigen it contains, 77 



Cordage made from various vegetable 

 fibres, in the East Indies, 224, &c. 



Correspondence, universal, inquiry re- 

 lative to an invention for, 239 



Correspondent, a, inquiry from, whe- 

 ther the light and heat Company b^ 

 entitled to public encouragement, 73 



Correspondent, a, his explanation of the 

 manner in which the experiment call- 

 ed the Invisible Girl, exhibited in Lon- 

 don, by M. Charles and others, is per- 

 formed, 69— Confirmed, 119 



Cows, improved method of feeding in 

 the winter season, 190 



Cruikshanks, Mr. his analysis of car 

 bonic acid, 242 — His experiments on 

 the urine of gouty subjects, 433 



Cuivicr, on turquoises, 184 



Cumberland, 



