History
At the start of photography a wide range of developing agents were experimented with including human urine. Very soon more successful agents came into use such as salts of iron such as iron oxalate, iron sulfate and iron lactate as in the ferrotype, wet plate and ambrotype processes.
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—Johann Wolfgang Von Goethe (1749–1832)
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“Perhaps universal history is the history of the diverse intonation of some metaphors.”
—Jorge Luis Borges (1899–1986)