Photography isn’t even 200-years-old yet, but there have already been over 150 different chemical processes developed over its relatively short lifetime. In this interesting 5-minute video titled “A Brief History of Photography: Innovations in Chemistry,” photo conservation scientist Art Kaplan of the Getty Conservation Institute quickly introduces some of the groundbreaking processes that have made a significant impact on the history of photography — processes such as the daguerreotype, ambrotype and tintype.
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