St. Petersburg, Russia/stpet600
Previous | Home | NextWestward across the courtyard from the Peter and Paul Cathedral is the mint, which furnished the platinum ores from which Klaus discovered ruthenium in Kazan {LINK: Kazan112}.
St. Petersburg, Russia/stpet600Previous | Home | NextWestward across the courtyard from the Peter and Paul Cathedral is the mint, which furnished the platinum ores from which Klaus discovered ruthenium in Kazan {LINK: Kazan112}. |
|
|