| 释义 |
platinotype Photogr.|ˈplætɪnəʊtaɪp|
[f. platino- + type.]
A process of photographic printing by which prints in platinum-black are produced, the paper being prepared by coating with a solution of chloro-platinite of potassium, K2PtCl4 (commonly called platinum chloride) and ferric oxalate, and developed in a hot solution of potassic oxalate. Also attrib.
1880Times 5 Oct. 6/6 There is now a Platinotype Company, as there has long been a Woodburytype and an Autotype. 1881Athenæum 18 June 817/3 The Earl of Rosse..presented to the Society photographic copies of the drawings made by the platinotype process. 1884Pall Mall G. 5 Dec. 2/2 A print in platinotype which will not fade, can be had.
b. A print produced by this process.
1884Sat. Rev. 12 July 58/2 Mr. Keene's illustrations..a great many of which are ‘platinotypes’..are very good. 1892Times 20 Oct. 14/1 The 210 platinotypes..constitute an exhibition of much beauty and interest. |