St. Petersburg, Russia/stpet164
Previous | Home | NextThis is a map of all the sites Mendeleev visited in Europe. In 1876 he also visited the Pennsylvania oil fields of America.
St. Petersburg, Russia/stpet164Previous | Home | NextThis is a map of all the sites Mendeleev visited in Europe. In 1876 he also visited the Pennsylvania oil fields of America. |
|
|