Heidelberg, Germany/heidelberg411
Previous | Home | NextLeft: "Rubidium, element 37. Discovered and prepared by R. Bunsen. Original preparation." Right: "Cesium, element 55. Original preparation by R. Bunsen."
Heidelberg, Germany/heidelberg411Previous | Home | NextLeft: "Rubidium, element 37. Discovered and prepared by R. Bunsen. Original preparation." Right: "Cesium, element 55. Original preparation by R. Bunsen." |
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