31. The knowledge of basic photographic processes eroded. 32. Le Plongeon traveled to England and saw a demonstration for new photographic processes at The Great Exhibition. 33. The compound currently has a few specialized applications, such as the manufacture solar cells and photographic process . 34. The photographic process was a constant search for the right form, the pure essence, the truth of anything. 35. He had a penchant for experimenting with new photographic processes , and thus produced photographs using numerous different mediums. 36. MGM and Panavision shared a special technical Oscar in March 1960 for developing the Camera 65 photographic process . 37. The Nirav itself is a silver halide based film which once exposed is developed using a photographic process . 38. In the early 1840s, Hill learned the daguerreotype process, the only photographic process commonly used during that decade. 39. Followed 2 years later by an improved photographic process created by William Henry Fox Talbot in 1841 called calotype. 40. Calotype was an early photographic process developed by W . Henry Fox Talbot who was a colleague of Collen's.