INDEX. 



Vjuquelin, onthetopat, 5S — On platlna, 

 59, 163, 181 — On the diafpore, 158 



Velley, T. Efq. 236 



Volcanoes, filh ejected from, 303 



Volta, 144 



Volta, on the galvanic pile, 144 



Voyage I'Ound the woilii, 60 



Voyages of Humboldt and Bonpland an- 

 nounced, 301 



^. 



Waiftell, Mr. C. his improved gate for 

 fields, 43 — 27 



Walker, Mr. Ezckiel, on the aberrations 

 of light pafling through lenfes, 159 



Watches, compcnfation curb for, 19— Ac^ 

 curate method of banking the balance 

 of, 114 



Water, on thd noife emitted by, before 

 boiling, 216 — 220— On the maximum 

 denfity of, 225 — 235 — Formed by me- 

 chanical prefTure, 303 



Water-hammer defciibed, 217 



Watt, Mr. his cftimate of the power of 

 a horfe, 96 



Wavell, Dr. r5f 



Wavellite, 153 — 15S 



Wells, Capt. i86 



Welter, 134 • 



Werner, 14 



W. F, S. his reply to Mr. Accum on nf» 



trous acid, 109 

 Whatley, Mr. T. 237 

 Windenmann, 14 

 Wilfon, Mr. W. remarks on his expert* 



ments on the eledricity of metals, 56 — 



His anfwer, no 

 Withering, Dr. 236 

 W. N. on the fimmering of water, 216 



——220 

 Wollafton, Dr. his difcovery of two new- 

 metals in crude platina, 59 — And of 



palladium in it, 182 

 Wootz, experiments on, 221 — 224, 



284 — 290 

 Woulfe, 116 



Zinc, a malleable metal, 304* 



THE END OP THE ELETENTH VOtVME. 



Printed by W* Stratford, Crown Court, Temple Bar. 



