What did Daguerre use to develop his photographs?
Sunlight
Mercury vapors
Water
Oil paints
Answer
Mercury vapors were used by Daguerre to develop his photographs. The process, known as the daguerreotype, involved exposing a silver-plated copper sheet to light, then developing the latent image with mercury vapors. The mercury would adhere to the exposed areas of the plate, creating a visible image. The daguerreotype process was the first commercially successful photographic process, and it remained popular until the late 19th century.
Capturing Light: The Louis Daguerre Legacy Quiz
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