| 1858 - 448 pages
...immersed in a bath of alumina, which is held in solution by sulphuric or acetic acid ; by this means a complete combination takes place between the alumina and the gelatine or glue. The tablets or slabs should remain in the bath a sufficient time to become thick enough for the purpose for which... | |
| 1859 - 448 pages
...immersed in a bath of alumina, which is held in solution by sulphuric or acetic acid ; by this means a complete combination takes place between the alumina and the gelatine or glue. The tablets or slabs should remain in the bath a sufficient time to become thick enough for the purpose for which... | |
| 1859 - 448 pages
...immersed in a bath of alumina, which is held in solution by sulphuric or acetic acid ; by this means a complete combination takes place between the alumina and the gelatine or glue. The tablets or slabs should remain in the bath a sufficient time to become thick enough for the purpose for which... | |
| Franklin Institute (Philadelphia, Pa.) - 1857 - 526 pages
...immersed in a bath of alumina, which is held in solution by sulphuric or acetic acid ; by this means, a complete combination takes place between the alumina and the gelatine or glue. The tablets or slabs should remain in the bath a sufficient time to become thick enough for the purpose for which... | |
| 1858 - 796 pages
...immersed in a bath oi alumina, which is held in solution by sulphuric or acetic acid ; by this means a complete combination takes place between the alumina and the gelatine or glue. The tablets or slabs should remain iu the bath a sufficient time to become thick enough for the purpose for which... | |
| 1858 - 606 pages
...immersed in a bath of alumina, which is held in solution by sulphuric or acetic acid ; by this means a complete combination takes place between the alumina and the gelatine or glue. The tablets or slabs should remain in the bath a sufficient time to become thick enough for the purpose for which... | |
| |