76 INDEX. 



Analysis of wootz, or Indian steel, 288. Pyrometrical gauge, 

 384. On palm wine, 387. Analysis of a stone used in cutlery, 

 399 



Faraday (M.), on strength of JEtna. wines, viii. 16S. On the de- 

 composition of chloride of silver by hydrogen, and by zinc, 374. 



preservation of crystals, x. 185. On alloys of steel, 



319.. On red fire, 411 



' on a test for baryta and strontia, x. 189. On vapour 



of mercury at common temperatures, 354. On chlorides of car- 

 bon, 386. xi. 129 



on dissection of crystals, xi. 202 



— on some new electro-magnetical motions, and on the 



theory of magnetism, xii. 74, 416. On contact in voltaic elec- 

 tricity, 185. On new electro-magnetic apparatus, 186, 283. 

 On the changing of vegetable colours, as an alkaline property, 

 and on other bodies than alkalies possessing it, xiii. 315. xiv. 

 234 



on the composition of hydriodide of carbon, xiii. 429 



effect of cold on magnetic needles, xiv. 435. On the 



temperature produced by vapour, and on the temperature of 



vapour, 439 



. on hydrate of chlorine, xv. 71. Condensation of 



chlorine gas into a liquid, 74, 163. xvii. 123. Historical 

 statement respecting electro-magnetic rotation, xv. 288 



change of musket-balls in Shrapnell shells, xvi. 163. 



Action of gunpowder on lead, ib. Effect of light on the colour 



of plate glass, 164. xix. 341 



change of fat by water, heat, and pressure, xvi. 172. 



Historical statement respecting the liquefaction of gases, 229 

 on the condensation of several gases into liquids, xvii. 



124. On the existence of a nitrate and a salt of potash in 

 Cheltenham water, 178. On a supposed new metal taschium, 

 390 



on fumigation, xviii. 92 



on some cases of the formation of ammonia, and on the 



means of testing the presence of minute portions of nitrogen in 



