21. Two very important daguerreotypes ( an early photographic process ) were purchased in the 1990s. 22. As with all preceding photographic processes , the wet-collodion process was sensitive only to blue light. 23. Instead of accelerating the photographic process to produce instantaneous images, as others had tried to do, 24. Nineteenth-century experimentation with photographic processes frequently became proprietary. 25. He was much appreciated by his peers for the technical innovations he pioneered in photographic processes . 26. At one time the PSA circulated a one-man Bodine show that included eleven different photographic processes . 27. Lopez'mirrored smoke clouds reflect the room and the viewer through the original photographic process of silver tinning. 28. Her art is noted for its exploration of Chicana identity and for innovative printmaking and photographic processes . 29. These works are ongoing, along with the series " Tetrarchs " made using the same photographic process . 30. In 1854, the Ambrotype positive photographic process on glass made Magic lantern slide creation much less expensive.
