| 释义 |
ˌphoto-galvaˈnography
[f. photo- 2 + galvanography.]
A process of obtaining from a positive photograph on glass or paper, or a drawing on translucent paper, by means of a gutta-percha impression from a relief negative in bichromated gelatine, an electrotype plate capable of being used as in copper-plate printing.
See The Engineer 25 Apr. 1856, 227; Art Jrnl. VIII. 215. The name was given by Mr. D. C. Dallas, by whom the process, invented by Mr. Paul Pretsch of Vienna, was perfected in 1855.
Hence ˌphoto-galˈvanograph, a print thus formed; ˌphoto-galvanoˈgraphic a., of, pertaining to, or produced by photo-galvanography.
1855(title) The Patent Photo-galvanographic Company. 1856P. Pretsch Paper before Soc. Arts 23 Apr., The name of ‘photo-galvanography, or engraving by light and electricity’ has been given to the new art by Mr. Duncan Campbell Dallas. Ibid., The impressions from the photo-galvanographic plates. 1870Eng. Mech. 7 Jan. 405/3 Previous to the invention of the photo-galvanographic process by Herr Paul Pretsch, no satisfactory permanent prints in carbon from plates had been obtained by means of photography. 1875Knight Dict. Mech. 1679/2 Photogalvanograph. |