carbon process

American  

noun

1. a method of making photographic prints by the use of a pigment, as carbon, contained in sensitized gelatin.

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carbon process British  

noun

1. a photographic process for producing positive prints by exposing sensitized carbon tissue to light passing through a negative. Washing removes the unexposed gelatine leaving the pigmented image in the exposed insoluble gelatine

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Etymology

Origin of carbon process

First recorded in 1875–80

Example Sentences

On the 5th of April, 1864, I attended a meeting of the Photographic Society at King’s College, and heard Mr. J. W. Swan read a paper on his new patent carbon 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 Negatives.—For the carbon process the negatives should be intenser than those intended for printing out on silver paper.

From Photographic Reproduction Processes by Duchochois, Peter C.

I think myself it would have been wiser to have adhered to his original intention; however, it was left to others to do more to advance the carbon process than he did.

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 Artigues process is an adaptation for the purposes in question of the carbon process invented by Poitevin.

From Photographic Reproduction Processes by Duchochois, Peter C.

It is sold for treatment in factories by the sulphide of carbon process, and by this method yields from seven to nine per cent. of oil, of course suitable only for manufacturing purposes.

From Scientific American Supplement, No. 443, June 28, 1884 by Various