scientific.net/AMR.664.566. (原始内容存档于2021-01-09). Curtis, Heber D. Methods of Silvering Mirrors. Publications of the Astronomical Society of the Pacific. 1911-02
Department, University of Michigan. [2022-09-21]. (原始内容存档于2009-01-31). Silvering was introduced by Léon Foucault in 1857, see madehow.com - Inventor Biographies