A photographic printing process using gelatin-coated paper or plates to reproduce images.
From gelatin plus -type (from Greek typos 'impression'). This term emerged in the late 19th century as gelatin became the dominant coating material for photographic processes.
Gelatinotype was revolutionary because gelatin coatings could hold photographic chemicals more evenly than older methods, meaning cleaner, more detailed pictures—it's basically the ancestor of modern photographic paper!
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