Part,  Chapter

 1 1,7|   cinders of the vegetables, by azotic acid. But this acid was
 2 1,7|        agent? Simply to produce azotic acid; and that was easy,
 3 1,7|        by sulphuric acid, gives azotic, or nitric, acid by distillation. ~
 4 1,7|         he going to employ this azotic acid? His companions were
 5 1,7|      much trouble. ~Taking some azotic acid, he mixed it with glycerine,
 6 1,7|         guncotton, since he had azotic acid at his disposal. This
 7 1,8|     ordinary powder, as we have azotic acid, saltpeter, sulphur,
 8 2,8|    pyroxyle, it was only fuming azotic acid. Now, Harding having
 9 2,8|     been easily able to produce azotic acid by attacking the saltpeter
10 2,8|       be immersed in the fuming azotic acid for a quarter of an
11 2,8|       his disposal the ordinary azotic acid and not the fuming
12 2,8|       the fuming or monohydrate azotic acid, that is to say, acid
13 2,8|         for the latter ordinary azotic acid, mixed, in the proportion
14 2,8| employed. The other substances, azotic acid and potash, were all
15 2,8|       were made and filled with azotic acid. The engineer corked
16 2,8|       of which was plunged into azotic acid, the other into a solution