platinotype

American  

[plat-n-oh-tahyp] / ˈplæt n oʊˌtaɪp /

noun

Photography.

1. a process of printing positives in which a platinum salt is used, rather than the usual silver salts, in order to make a more permanent print.

2. Also called platinum print.  a print made by this process.

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platinotype British  

/ ˈplætɪnəʊˌtaɪp /

noun

1. 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

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Etymology

Origin of platinotype

First recorded in 1875–80; platin(um) + -o- + -type

Example Sentences

He claims that the platinotype paper does not contain any animal sizing.

From Crayon Portraiture Complete Instructions for Making Crayon Portraits on Crayon Paper and on Platinum, Silver and Bromide Enlargements by Barhydt, Jerome A.

Platino-Bromide paper gives delicate platinotype tones, and where negative, paper and manipulation are in harmony, the prints obtained on this paper will be indistinguishable from good platinotypes in quality and attractiveness.

From Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements by Tennant, John A.

Historical illustrations of the development of the platinotype process.

From The Evolution of Photography With a Chronological Record of Discoveries, Inventions, etc., Contributions to Photographic Literature, and Personal Reminescences Extending over Forty Years by Werge, John

The soft shadows of the platinotype suited Mrs. Carville.

From Aliens by McFee, William

In the case of the reproduction of photographs, which we are now considering, much may be done by working up a platinotype print before giving it out to be made into a block.

From The Art of Illustration 2nd ed. by Blackburn, Henry