I N D E X 



TO THE 



FIRST AND SECOND VOLUMES. 



A, 



A. 



.BERCROMBY, Lord, ii. igr 



Abernethy, Mr. John, F.R.S. on the Fo- 

 ramina Thebefii of the Heart, ii. 142 



AbeiTations, optical, explained, i. g, 12 



Accum, Frederick, on Light emitted by Bo- 

 rax, ii. 28. On Argill and Magnefia, ii. 

 83. On the Purity of Drugs, ii. 118 



Acer Saccharinutn, ii. 304 



Acetous Acid, Examination of the Purity of, 

 ii. no 



and acetic Acids, Chaptal on their 



Difference, ii. 518 



Achmet, i. 138 



Achromatic Lens, partly formed of Fluids, 

 i. 4. Whether improved by cementing 

 them together, ii. 233 



Telefcope, i. i 



Acid, Sulphureous, i. 143. Properties, Ha- 

 bitudes, and Combinations of, i. 313. Com- 

 binations of, i. 364 



■ Sulphuric, Effefk of on vegetable Mat- 



ter, i. 385. Explanation of its Effcfts on 

 vegetable Matter, i. 388. Examination 

 of the Purity of, ii. 120 



- Gallic, i. 274. ii. 338. OfTin.Obfcrv- 

 ationson, by Guyton, i. 543. Of Lemons, 

 Preparation of, ii. 43. Camphoric, ii. 

 97. Nitrous, Examination of the Purity 

 of, ii. 119. Acetous, Examination of the 

 Purityof, ii. 120. Muriatic, Examination 

 of the Purity of, ii. 120. Boracic, Examin- 

 ation of the Purity of, ii. 121. Tartare- 

 ous, Method of dctefling the Adulteration 

 of, ii. 121. Of Amber, Method of deteft- 

 ing the Adulteration of, ii. 122. Of Ben- 

 zoin, Purity of the, ii. 122. New Metal- 

 lic, in Siberian Red Lead, ii. 145. Pro- 

 cefs for preparing the Camphoric, ii. 157. 

 Oxygenated Muriatic, ufed in Bleaching, 

 ii. 168. Of Galls, Prouft on the, ii. 338. 

 Zoonic, difcovered by Berthollet, ii. 367. 

 Nitric, Produftion of, ii. 413 

 Acids for Bleaching, i. 89 

 Acouftic Inftruments, Experiments and Ob- 



fervations on, i. 417 

 Adamantine Spar, or Corundum Stone, ii. 



477> 53* 

 Adams on Mathematical Inftruments, i. 192 

 George, Inventor of the Spiral Gun- 



ter's Rule, i. 375 

 Adct, i. 46, 486 

 Adulteration of Drugs, &c. Examination of, 



ii. 118 

 JEgireta Paulus, i. 138 

 ^lian, i. 138 



jEpinus, Mr. on Magnetifm, ii. 81 

 Aeroftation, ii. 377 

 Affinity, Chemical, whether it be not the 



mere EfFeft of Temperature, ii. 161 

 Vol.11. — June I79.9. 



Africa, Travels in, by Mr. Park, ii. 253, 325 



Africa, Geography of North, ii. 253 



African AtTociation, ii. 379 



Agamemnon, ii. 319 



Agnenfis Albertus, i. 139 . 



Aikin, ArthXir, i. 220. His Defcription of 



the Angltfca Copper-works, i. 367 

 Air Balloon, Experiment with the Parachute 



from, i. ;»3 



— Cold ilTuing out of the Earth, i. 231. 

 Theory of, i. 233 



— Pump, of Sir George S. Mackenzie's, 

 ii. 28. By Mr. Little, ii. 501. Sadler's, 

 i. 441. Of Prince and Cuthbertfon, i. 

 119 



Alton, Mr. ii. 333 



Albani, Prince, ii. 95 



Akhorne, Stancfty, ii. 179, 182. On the 



Alloy of Gold with Tin, ii. 140. 227 

 Aldinus, Joannes, on Galvanifm, i. 335 

 Alexander, ii. 136 

 Alkali, pure Cauftic, economical Procefs for 



obtainmg, i. 329 

 of Tartar, Impropriety of the various 



Denominations of, i. 513 

 Alkalis, Procefs of Lowitz for rendering 



them very pure, i. 164 

 Alloy of Gold with Tin proved to be very 



noxious, ii. 140 

 Alum, Obfetvations on, i. 318. Analyfis 



of, i. 321 

 Amand, St. his Silk Machine for Eleftricity, 



ii. 420 

 Amber, Method of detefting the Adultera- 

 tion of the Acid of, ii. 12 1 

 America, Difcovery of, i. 73, 107. Prize 



Qucftion on the Difcovery of, ii. 328. 



Climate of near the North Weftern Lakes 



of, ii. 315 

 American Philofophical Society, i. 13. ii. 376. 



Black Birch, ii. 333. Sugar Maple, ii. 



304 

 Amcricanus, Vefpucius, i. 73 

 Amicus, i. 472 

 Analyfes of Pumice, ii. 2S9 

 Analyticus, i. 92, 187 

 Anchor, Efcapcment, ii. 54. 

 Anderfon, James, L.L.D. F.R.S. on an uni- 



verfal Charafter, ii. 189 



Mr. ii. 197, 477 



Andrada, D'. on Brazilian Diamonds, i. 24 

 Andrieux, Cit. ii. 236 

 Anglefey,lfleof,Accountof the great Copper- 

 works in, i. 367 

 Angclucci, i. 226 



Animal Strength computed, ii. 466 

 Annales de Chimie, Authors of, i. 46 

 Annealing Gold with Tin, ii, 179 

 Anquetil, i. 46 

 Antiraonial Soap, i. 549 



Aphrodifsus, Alexander, i. 138 



Apparatus for producing coloured Shadows, 

 i. 104. For difengaging Oxygen Gas, by 

 J. Sadler, Efq. ii. 33- For Experiments 

 with the common Blow-pipe, ii. 36. For 

 producing Water by Con.buftion from 

 Hydrogen Gas, ii. 235. For Bleaching, 

 new, li. 271 



Appreciation of Money at different Periods, 



ii- 284 . c \. 



Aqua Fortis, double. Examination ot tne 

 Purity of, ii. 119 - 



Marine, or Beryl, Analyfis of, byVau- 



quelin, ii. 358 



Arabic Gum, ii. 409 



Arches, i. 93 



Archimedes on the Lever, i. 541 



Architefture, Military, ii, 89 



New, Hydraulic, i. 96 



Ardent Spirit, fpecific Gravity of, i. 117 



Argand, Cit. ii. 2 10. His Claim to the In- 

 vention of an Air Pump, ii. 368 



's Lamp, i. 69 



Argillaceous Earth, Method of Separation of, 

 from Magnefia, ii. 83 



Arms, Fire, Improvements in, i. 517 



Arnault, H. ii. 51 



Arnold, maintaining Power of his Time- 

 piece, ii. 59 



Arrian, i. 137 



Art of printing Books find Piece-goods by 

 Cylinders, i. 18 



Artern, Salt-works of, ii. 72 



Artificial Cinnabar, ii. i 



Magnets, Method of making, by 



Coulomb, ii. 80 



Afli, Dr. i. 530 



Afphaltum, ii. 203 



Afs, Propagation of the Zebra with the, ii. 

 267 



Athenian Poplar, ii. 334 



Atmofphere, its Elcftricity, i. 16 



of the Planets, ii. 40 



Atwood, i. 168. ii. 56 



Aublet, ii. 302 



Auftin, Dr. ii. 241,247 



Aviccnna, i. 138 



Azores Iflands, Difcovery of, i. 74 



Axis of Rotation, ii. 40 



B. 



Babington, Mr. ii. 335, 336, 337 



Bacon, Lord Chancellor, i. 3 5 5 



ii. 201. On univerfal Language, ii. 



344 

 Baker, ii. 131 

 Balance for Time-pieces, i. 57. Expanfion, 



i. 64 

 Baldwin, i. 139 

 Balfour, Sir William, i. 377 



4C Ban, 



