Tilkerode - Mansfeld - East Harz, Germany/tilkerode240
Previous | Home | NextCrookes was investigating selenium-rich ores from the Harz Mountains, when he saw a green spectral line that led him to the discovery of thallium.
Tilkerode - Mansfeld - East Harz, Germany/tilkerode240Previous | Home | NextCrookes was investigating selenium-rich ores from the Harz Mountains, when he saw a green spectral line that led him to the discovery of thallium. |
|
|