NAME DESC WHEN
Juan José Elhuyar Juan José Elhuyar 2020-02-28
Tungsten (wolfram) Tungsten (wolfram) Tungsten rods with evaporated crystals, partially ... 2020-02-28
Fausto Elhuyar Fausto Elhuyar 2020-02-28
Vanadium Vanadium Crystal-bar vanadium, showing different textures a... 2020-02-24
Alessandro Volta Alessandro Volta Volta discovers methane 2020-02-24
University of Alcalá University of Alcalá The plateresque facade (R. Gil de Hontañón, 1543... 2020-02-23
Crest of Spanish University Crest of Spanish University 2020-02-23
Andrés Manuel del Río Andrés Manuel del Río 2020-02-23
The element erbium The element erbium 2020-02-23
The element terbium The element terbium 2020-02-23
Pure Lanthanum Pure Lanthanum 2020-02-23
Carl Gustaf Mosander Carl Gustaf Mosander 2020-02-23
Lithium floating in oil Lithium floating in oil 2020-02-23
Johan August Arfwedson Johan August Arfwedson 2020-02-23
Thorium sample Thorium sample 2020-02-23
Purified Silicon Purified Silicon 2020-02-23