Portal:Physics/Selected picture/June 2012
File:Fotothek df tg 0005046 Optik.jpg. This was originally printed on paper. [http://www.deutschefotothek.de/obj88965046.html See here for more information].]]
File:Fotothek df tg 0005046 Optik.jpg. This was originally printed on paper. [http://www.deutschefotothek.de/obj88965046.html See here for more information].]]