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  2. Photographic plate - Wikipedia

    en.wikipedia.org/wiki/Photographic_plate

    Image resulting from a glass plate negative showing Devil's Cascade in 1900. A view camera nicknamed "The Mammoth" weighing 1,400 pounds (640 kg) was built by George R. Lawrence in 1899, specifically to photograph "The Alton Limited" train owned by the Chicago & Alton Railway. It took photographs on glass plates measuring 8 feet (2.4 m) × 4.5 ...

  3. Conservation and restoration of photographic plates - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Early wet-plate collodion portrait of a lady. Collodion glass plate negative: This process was invented by the Englishman Frederick Scott Archer in 1851. While the first process to take advantage of glass plates was the albumen print method, it was quite laborious and was quickly surpassed by the collodion glass plate negative in common use. [3]

  4. Holtermann collection - Wikipedia

    en.wikipedia.org/wiki/Holtermann_Collection

    Berrys Bay and Goat Island, Sydney, 1875, Charles Bayliss and Bernhardt Holtermann from negative, 136 x 95 cm (4.4 x 3.1 feet. The largest glass plate negatives produced in the nineteenth century appear to have been made in Sydney, Australia, in 1875, and three are held in the Holtermann Collection, State Library of New South Wales.

  5. Royal Photographic Glass Plate Negatives and Original Prints ...

    en.wikipedia.org/wiki/Royal_Photographic_Glass...

    The collection comprises 35,427 glass plates, ranging in size from 4 to 12 inches (100 to 300 mm), as well as almost 50,000 prints, and forms a detailed photographic record of Thailand (then known as Siam) during the country's period of modernization. [1] The collection was inscribed on the UNESCO Memory of the World Register in 2017. [2]

  6. Conservation and restoration of photographs - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Glass plate negatives and ambrotypes are prone to breakage. [1] Deterioration of film negatives, regardless of type, is humidity and temperature dependent. Nitrate film will first fade, then become brittle and sticky. It will then soften, adhere to paper enclosures, and produce an odor. Finally, it will disintegrate into a brown, acrid powder. [18]

  7. Collodion process - Wikipedia

    en.wikipedia.org/wiki/Collodion_process

    1867. Collodion wet plate process. GERONA.-Puente de Isabel II.Ministry of Education, Culture and Sport (Spain). The collodion process is an early photographic process. The collodion process, mostly synonymous with the "collodion wet plate process", requires the photographic material to be coated, sensitized, exposed, and developed within the span of about fifteen minutes, necessitating a ...

  8. Negative (photography) - Wikipedia

    en.wikipedia.org/wiki/Negative_(photography)

    Some films used in cameras are designed to be developed by reversal processing, which produces the final positive, instead of a negative, on the original film. [5] Positives on film or glass are known as transparencies or diapositives, and if mounted in small frames designed for use in a slide projector or magnifying viewer they are commonly ...

  9. Ambrotype - Wikipedia

    en.wikipedia.org/wiki/Ambrotype

    One side of a clean glass plate was coated with a thin layer of iodized collodion, then dipped in a silver nitrate solution. The plate was exposed in the camera while still wet. Exposure times varied from five to sixty seconds or more depending on the brightness of the lighting and the speed of the camera lens. The plate was then developed and ...

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