Today, I’ll be talking about the invention of the camera and photography. The camera is often thought to be a modem invention. But as early as 1727, a German physicist (36) that light darkened silver salt, a chemical (37) . Using as a cameras a big box with a small hole to let the light in, he made (38) images on the salt. Silver salt is still the base of film today. Then a French scientist made the first (39) picture by using a special piece of metal (40) with silver salt.
A photography he made in 1826 still exists. The painter Dagera (41) on the process by placing common salt, the kind we eat, on the metal This was in 1839, the (42) date of the beginning of photography. But the problem was the (43) of the photographs, And (44) In 1860’s, Matthew Brady was able to take his famous pictures of the American Civil War, thus making portrait poses very popular. In the 20th century, George Eastman of the United States and Edwards Land, (45) . If we say that the photography came into existence in 1839, it follows that (46) .
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