Name Amon First

Negative paper

In 1851, Gustave Le Gray perfected the Talbot procedure with his dry waxed paper process. This technique, which recommends waxing the paper before sensitizing it, extends the shelf life of prepared papers and gives greater transparency to produced negatives. However, it also lengthens the exposure time. The paper negative process was gradually abandoned in the late 1850s in favor of glass plate negatives, which produce higher-quality images. Nonetheless, it made a comeback in the second half of the 1880s for industrial purposes: in 1884, the Eastman Dry Plate and Film Company (Eastman Kodak) began producing rolls of sensitized paper which it would develop, prefiguring the massive adoption of photography. Because the resulting images were only of mediocre quality, Kodak replaced the paper with a flexible nitrate-based film base starting in 1888.

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