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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“The basic idea which runs right through modern history and modern liberalism is that the public has got to be marginalized. The general public are viewed as no more than ignorant and meddlesome outsiders, a bewildered herd.”
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