Dinesh's photos with the keyword: Manai Strait
Photography ~ Daugerreotypy
12 Feb 2014 |
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www.digitalhistory.uh.edu/topic_display.cfm?tcid=51
The first photograph was an image recorded on a pewter plate by a Frenchman, Joseph Nicéphore Niépce, in 1826. It showed the view from an upper story window in his home. Great strides in photography would not take place until the next decades, when Louis Daguerre created images on silver-plated copper, coated with silver iodide, which developed with mercury. In daguerreotypes, the images seem to float above the highly polished silver.
At first, there was no agreement about what to call the process of capturing an image. Among the terms bandied about were daugerreotype, crystalotype, talbototype, colotype, crastalograph, panotype, hyalograth, ambrotype, and hyalotype. Ultimately, a new word won out—photography, which means writing with light.
Daugerreotypy was a cumbersome and time consuming process. The biggest problem was that it was impossible to duplicate daguerreotypes. But by the end of the 1850s, the daugerreotype had been replaced by a new method of photography known as the wet plate process. A British photographer named Frederick S. Archer discovered that a glass plate coated with a mixture of silver salts and an emulsion made of collodion could record an image. The image had to be developed immediately, before the emulsion dried. But it was now possible for the first time to make unlimited prints from a negative. It was also possible for photographers to take pictures outside of a studio. (Excerpt from the above link)
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