Mungo Ponton
Appearance
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Mungo Ponton FRS (20 November 1801 – 3 August 1880) wis a Scots inventor wha in 1839 creatit a method o permanent photografie based on potassium dichromate.
Mungo Ponton FRS (20 November 1801 – 3 August 1880) wis a Scots inventor wha in 1839 creatit a method o permanent photografie based on potassium dichromate.