platinotype


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plat·i·no·type

 (plăt′n-ō-tīp′)
n.
1. A process formerly used for making photographic prints, using a finely precipitated platinum salt and an iron salt in the sensitizing solution to produce prints in platinum black.
2. A print produced by platinotype.

platinotype

(ˈplætɪnəʊˌtaɪp)
n
(Photography) an obsolete process for producing photographic prints using paper coated with an emulsion containing platinum salts, the resulting image in platinum black being more permanent and of a richer tone than the usual silver image

platinotype

1. a photographic process in which a platinum salt is used in place of the more usual silver salts to produce a more permanent print.
2. a photographic print so made.
See also: Photography
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References in periodicals archive ?
Riding through the Mohun pass by moonlight is like "hurrying through miles and miles of platinotype photoes [sic]--all soft as velvet mixed with cream" (I, 204).
The 68-year-old photographer said he will be ready to explain his technique, an old-fashioned platinotype process that produces a much softer image than conventional photographic printing.