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Edmond Becquerel (1820 - 1891) and Henri Becquerel (1852 - 1908) Becquerel asserts his priority over Faraday in the discovery of the magnetic properties of air. Edmond Becquerel, French physicist (1820-1891) credited with the discovery of the photovoltaic effect. Handwritten manuscript in Engli..

Edmond Becquerel. French physicist (1820-1891). Untranslated ALS in French, one page, 5.25 x 8.25, October 8, 1869. In fine condition, with scattered light creasing. Becquerel studied the solar spectrum, magnetism, electricity and optics. He is credited with the discovery of the photovoltaic effect,..