CARBON
Title: CARBON
Category: /Science & Technology
Details: Words: 1047 | Pages: 4 (approximately 235 words/page)
CARBON
Category: /Science & Technology
Details: Words: 1047 | Pages: 4 (approximately 235 words/page)
CARBON process, The
Print fading was a common occurrence in the earliest days of photography, and several people sought to address themselves to this problem. In the mid 1850s some began to experiment with carbon, and in 1864 Joseph Wilson Swan perfected the process, which he also patented.
Prints made using this process came in any colour, and were permanent. The sensitising solution consisted of a mixture of carbon, gelatin, the colouring material, and potassium bichromate.
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showed last 75 words of 1047 total