A course of six lectures on the chemical history of a candle [electronic resource]: to which is added, a lecture on platinum (1865)
Faraday, Michael, 1791-1867, Crookes, William, 1832-1919 · London : Charles Griffin and Company · leaf 111
r, . 88-911-1 100-0 I had better, perhaps, tell you now how weget this oxygen abundantly, having shown youhow we can separate it from the water. Oxy-gen, as you will immediately imagine, existsin the atmosphere; for how should the candleburn to produce water without it? Such athing would be… … processes. Fig. 21.There is a substance called the black 100 PKEPARATIOF OP OXYGEN. oxide of manganese; it is a very black-lookingmineral, but very useful, and when made red-hot it gives out oxygen. Here is an iron bottlewhich has had some of this substance put intoit, and there is a tube fixed to…
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