Tag: historical

The Chief Photographic Poisons and their Antidotes

I was reading Cassell’s Cyclopaedia of Photography (1911) last night and found an entry that I can’t resist sharing. It’s a summary of poisons that an early photographer may have encountered in their darkroom. Some of these chemicals are still in use today. The Chief Photographic Poisons and their Antidotes (Cassells…

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What We Knew Then; and What We Know Now

Recently I’ve been reading some of the original sources for platinum printing. It’s fascinating to compare what we know and do today with what photographers knew and did back in the nineteenth century. This is an excerpt from William Willis’ first patent for the platinum printing process (apparently he didn’t believe in paragraphs!): “This invention…

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