The Daguerrotype was discovered in 1839, by Louis Jacques Mande Daguerre. A Daguerrotype is a silver-plated copper plate that is first buffed then, the plate is polished. After that, the plate is sensitized to light over iodine and bromine in specialized, light-proof boxes.Sir John Herschel discovered the cyanotype in 1842. First you brush the chemicals onto a paper, then place a negative on top of the paper. Next, you put some glass over the negative and put the whole thing in the sun for 6 minutes. After that, put the paper in water.
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AuthorHugo Sanchez, RBV Boys Varsity Soccer Captain. Archives
April 2017
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