Althofen, Austria/althofen290
Previous | Home | NextOriginal Welsbach lamps. Welsbach was indeed the "giver of light" -- he invented mantle lamps, osmium-filament incadescent light bulbs, automobile search lamps, and lighters.
Althofen, Austria/althofen290Previous | Home | NextOriginal Welsbach lamps. Welsbach was indeed the "giver of light" -- he invented mantle lamps, osmium-filament incadescent light bulbs, automobile search lamps, and lighters. |
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