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Introduction I love working with alternative printing processes because they require only a few ingredients and are perfect for those interested in learning the fundamental principles of recording light. One of the earliest alternative printing techniques for transforming negatives into positive prints was salt printing, a process pioneered in the mid-1830s by Henry Fox Talbot. Talbot’s method involved soaking plain writing paper in a weak solution of ordinary table salt, followed by a strong silver solution. This treatment rendered the paper light-sensitive, allowing it to darken upon exposure to sunlight. Once fixed with a...