 | 1871 - 808 pages
...should be applied on leather ; and in this case it is more readily acted on than when paper is used. The copy of a painting, or the profile, immediately...after being taken, must be kept in an obscure place." The instruments Wedgwood and Davy used were the camera obscura and the solar microscope ; the images... | |
 | 1847 - 676 pages
...more readily acted upon than when paper is used. After the colour has been once fixed upon the leather or paper, it cannot be removed by the application...water and soap, and it is in a high degree permanent." Mr. Wedgewood endeavoured by repeated washings, and by thin coatings of fine varnish, to prevent the... | |
 | 1847 - 610 pages
...than when paper is used. After the color has been once fixed upon the leather or paper, it cannot bo removed by the application of water, or water and soap, and it is in a high degree permanent." Mr. Wedgewood endeavored by repeated washings, and by thin coatings of fine varnish, to prevent the... | |
 | Encyclopaedia - 1851 - 276 pages
...more readily acted on than when paper is used. After the colour has been once fixed on the leather or paper, it cannot be removed by the application...immediately after being taken, must be kept in an obsctire place; it may, indeed, be examined in the shade, but in this case the exposure should be only... | |
 | 1853 - 444 pages
...more readily acted on than when applied on paper. After the colour has been once fixed on the leather or paper, it cannot be removed by the application of water, or wuter and soap, and it is in л high degree permanent. The copy of a painting or a profile, immediately... | |
 | Robert Hunt - 1854 - 466 pages
...more readily acted on than when paper is used. After the colour has been once fixed on the leather or paper, it cannot be removed by the application of water, or water and soap, and it is WEDGWOOD'S PROCESS. 23 in a high degree permanent. The copy of a painting or the profile, immediately... | |
 | William Somerville Orr - 1856 - 596 pages
...more readily acted on than when paper is used. After the colour has been once fixed on thü leather or paper, it cannot be removed by the application...in an obscure place ; it may, indeed, be examined iu the shade, but in this case the exposure should be only for a few minutes ; by the light of candles... | |
 | Frederick Collier Bakewell - 1859 - 334 pages
...it is more readily acted on than when paper is used. When the colour has been once fixed on leather or paper, it cannot be removed by the application...a high degree permanent. The copy of a painting or a profile, immediately after being taken, must be kept in a dark place. It may, indeed, be examined... | |
 | Frederick Collier Bakewell - 1860 - 324 pages
...it is more readily acted on than when paper is used. When the colour has been once fixed on leather or paper, it cannot be removed by the application...a high degree permanent. The copy of a painting or a profile, immediately after being taken, must be kept in a dark place. It may, indeed, be examined... | |
 | 1880 - 1038 pages
...photographic image was known to Wedgwood. He says : " After the colour has been once fixed on the leather or paper, it cannot be removed by the application...water and soap, and it is in a high degree permanent." This permanence was, however, of a very limited description. The discoverer himself says : " Even after... | |
| |
After the colour has been once fixed on the leather or paper, it cannot be removed by the application of water, or water and soap, and it is in a high degree permanent. 
