History

In 1614, Angelo Sala used silver nitrate that was burned by sunlight with wrapped paper. This he put forward in his article entitled Septem Planetarum terrestrium Spagirica recensio, "If the silver nitrate powder exposed to sunlight, it will turn black as ink". [1] This discovery with the effects of sunlight is considered useless by other scientists. In 1717, Johann Heinrich Schulze, a German professor who used a silver nitrate and lime bottle in a non-existent manner. Make the rake become dark with white liquor and make a bottle. A chemist, Carl Wilhelm Scheele finds ammonia soluble in silver nitrate but not a dark particle. This discovery makes for a stabilizing silver nitrate image, this is considered a place of photographic photography. Not long after 1800 Thomas Wedgwood caught a picture with an obscura camera. Unfortunately Wedgwood knocked away in 34 years in 1805. "Boulevard du Temple", daguerreotype made by Louis Daguerre in 1838 as the beginning of the first photo with someone in the photo. In 1816 Nicéphore Niépce used a paper wrapped in silver nitrate to make a photo with a small camera.