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    Humphry Davy in 1808. Following the work of Jöns Jakob Berzelius and Magnus Martin af Pontin on electrolysis, Davy isolated calcium and magnesium by putting...
    47 KB (5,910 words) - 23:19, 24 December 2024
  • Magnus Constans Pontin (19 April 1819, Stockholm – 30 September 1852, Kalmar) was a Swedish journalist and author. He was the son of Magnus Martin af...
    1 KB (95 words) - 06:49, 26 December 2023