Vienna, Austria/wien050
Previous | Home | NextOne-half kilometer south, at Wäringerstraße 10, is the old chemistry building, where in 1885 Welsbach discovered praseodymium and neodymium and invented the gas mantle light. The view is southeast.
Vienna, Austria/wien050Previous | Home | NextOne-half kilometer south, at Wäringerstraße 10, is the old chemistry building, where in 1885 Welsbach discovered praseodymium and neodymium and invented the gas mantle light. The view is southeast. |
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