| 1842 - 634 Seiten
...these singular and beautiful prodnctions, a considerable degree of permanence, so that they may be nsed by engravers for working on. It is a curious fact that the vaponrs of mercury and of iodine attack the plate differently, and I believeit will be fonnd that vaponrs... | |
| Perry Fairfax Nursey - 1842 - 632 Seiten
...readily destroyed by rubbing. From the depth to which I find the impression made into the metal, 1 confidently hope to be enabled to give to these singular...mercury and of iodine attack the plate differently, and I believe itwill be found that vapours have some distinct relation to the chemical, or ih; i mo-electrical... | |
| Charles W. Vincent, James Mason - 1843 - 468 Seiten
...readily destroyed by rubbing. From the depth to which I find the impression made into the metal, I confidently hope to be enabled to give to these singular...mercury and of iodine attack the plate differently ; and I believe it will be found that vapours have some distinct relation to the chemical or thermo-electrical... | |
| 1843 - 714 Seiten
...readily destroyed by rubbing. From the depth to which I find the impression made into the metal, I confidently hope to be enabled to give to these singular...engravers for working on. It is a curious fact that the vapors of mercury and of iodine attack the plate differently ; and I believe it will be found that... | |
| 1843 - 610 Seiten
...readily destroyed by rubbing. From the depth to which I find the impression made into the metal, I confidently hope to be enabled to give to these singular...that they may be used by engravers for working on." " A well polished plate of copper is rubbed over with the nitrate of mercury, and then well washed,... | |
| 1843 - 884 Seiten
...is readily destroyed by rubbing. From the depth to which I find the impression made in the metal, I confidently hope to be enabled to give to these singular...engravers for working on. It is a curious fact that the vapors of mercury and of iodine attack the plate differently, and I believe it will be found that vapors... | |
| Encyclopaedia - 1851 - 276 Seiten
...is readily destroyed by rubbing. From the depth to which I find the impression made in the metal, I confidently hope to be enabled to give to these singular...mercury and of iodine attack the plate differently; and I believe it will be found that vapours have some distinct relation to the chemical or thernioelectrical... | |
| Robert Hunt - 1852 - 324 Seiten
...is readily destroyed by rubbing. From the depth to which I find the impression made in the metal, I confidently hope to be enabled to give to these singular...mercury and of iodine attack the plate differently ; and I believe it will be found that vapours have some distinct relation to the chemical or thermoelectrical... | |
| Robert Hunt - 1852 - 378 Seiten
...is readily destroyed by rubbing. From the depth to which I find the impression made in the metal, I confidently hope to be enabled to give to these singular...mercury and of iodine attack the plate differently ; and I believe it will be found that vapours have some distinct relation to the chemical or thermoelectrical... | |
| Robert Hunt - 1853 - 356 Seiten
...is readily destroyed by rubbing. From the depth to which I find the impression made in the metal, I confidently hope to be enabled to give to these singular...beautiful productions a considerable degree of permanence, BO that they may be used by engravers for working on. It is a curious fact that the vapours of mercury... | |
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