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

Improvement in platinotype patented by W. Willis, junior, July.

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

A thin negative is better printed by the cold bath process, but negatives should be good and brilliant for platinotype printing.

From Scientific American Supplement, No. 711, August 17, 1889 by Various

It offers a range of tone from deepest black to the most delicate of platinotype grays, which may be modified to give a fair variety of color effects where this is desirable.

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.

Subsequently Mr Frederick H. Evans photographed the drawing, full size, and produced fifteen platinotype copies, of which twelve only were for sale, and the plate destroyed.

From Aubrey Beardsley by Ross, Robert

For greater security I photographed the whole set of the finger-impressions and made platinotype prints which I filed for future reference.

From The Uttermost Farthing A Savant's Vendetta by Freeman, R. Austin (Richard Austin)