History mathematician John Herschel (John Herschel)
(7 March 1792-11 May 1871), a mathematician. And British astronomer The process was invented by cyanobacteria Stipe (Cyanotype) prototype of a process blueprint (Blue Print) developed well used to copy the blueprint. Typewriter or carbon paper Used in the present Since that time, the records must be handwritten. To view a copy would have to repeat the same copy. It takes more time to Herschel is trying to figure out how to duplicate itself. In the picture Rees is recommended. Who invented the daguerreotype photography Rees. (Or in another name. Throated Boise Seneca native Opsitiฟ), use the "hypochlorite" to maintain a permanent image. In the early days of retention, the use of hypertonic saline in stable condition. There also are used in medical imaging coined the word "photograph" "negative" and "positive"
John Herschel, the son of William Herschel, the astronomer. The discovery of Uranus
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