Which invention by George Eastman in 1888 replaced the need for photographers to carry wet plates and chemicals?
Answer
Flexible roll film
George Eastman's introduction of flexible roll film was a revolutionary mechanical and commercial advancement. Before this, photographers were burdened with heavy, fragile glass plates and complex, messy chemical processes that had to be performed on-site. Roll film allowed cameras to be pre-loaded with multiple exposures, which simplified the user experience, increased portability, and shifted the processing burden away from the field to a centralized factory.

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