 | 1839 - 938 pages
...paper with salt and silver, and drying it between tiroes, Mr,- Talbot has succeeded in increasing Us sensibility to the degree that is requisite for receiving...conducting this operation, it will be found that the re* suite are sometimes more, and sometimes less satisfactory, in consequence of small and accidental... | |
 | William Jerdan, William Ring Workman, Frederick Arnold, John Morley, Charles Wycliffe Goodwin - 1839 - 948 pages
...this way, by alternately washing the paper witli salt and silver, and drying it between times, I have succeeded in. increasing its sensibility to the degree...camera obscura. In conducting this operation it will he found that the results are sometimes more and sometimes less satisfactory in consequence of small... | |
 | 1839 - 722 pages
...times, Mr. Talbot has succeeded in increasing 296 Literary and Scientific Intelligence, [March, iU sensibility to the degree that is requisite for receiving the images of the camera obscura. With regard to the second object — that of fixing the images— Mr. Talbot observed, that, after... | |
 | William Laxton - 1839 - 522 pages
...salt and silver, ami drying it between times, Mr. Talbot has succeeded ui inereasimr n- s.-usil>ilit\ to the degree that is requisite for receiving the images of the camera olisi nr;i. In conducting this operation, it will be found, that the results ;>re sometime* more, snd... | |
 | 1840 - 488 pages
...nitrate of silver, drying it between times. I have increased the sensibility to the degree required for receiving the images of the camera obscura. "...sometimes that the chloride of silver is disposed to blacken of itself without any exposure to light. This shows that the attempt to give it sensibility... | |
 | 1840 - 516 pages
...times. I have increased the sensibility to the degree required for receiving thg images of the cajnera obscura. "In conducting this operation, it will be...sometimes that the chloride of silver is disposed to blacken of itself without any exposure to light. This shows that the attempt to give it sensibility... | |
 | 1842 - 496 pages
...nitrate of silver in all the following nceipts, rather than the fused nitrate sold as lunar caustic. " In conducting this operation, it will be found that...sometimes that the chloride of silver is disposed to blacken of itself, without any exposure to light. This shows that the attempt to give it sensibility... | |
 | Royal Society (Great Britain) - 1843 - 552 pages
...paper thus prepared, be taken and washed with a saturated solution of salt, and then dried, it will he found (especially if the paper has been kept some...is requisite for receiving the images of the camera nbscura. In conducting this operation it will be found that the results are sometimes more and sometimes... | |
 | Henry Hunt Snelling - 1849 - 174 pages
...through the leaves, delineates every ramification ol their nores. In conducting this operation, however, it will be found that the results are sometimes more...employed. It happens sometimes that the chloride of silver formed on the surface of the paper is disposed to blacken of itself, without any exposure to light.... | |
 | George William Francis - 1850 - 268 pages
...salt and water, and afterwards with the same eolation of nitrate of silver, drying it between times. " In conducting this operation, it will be found that...consequence of small and accidental variations in :he proportions employed. It happens some imes that the chloride of silver is disposed to blacken of... | |
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But if it be again washed with a liberal quantity of the solution of silver, it becomes again sensible to light, and even more so than it was at first. In this way, by alternately washing the paper with salt and silver, and drying it between times, Mr. 
