DescriptionMicroscopeZeiss1879.jpg antique microscope by Carl Zeiss Jena, No. 4415 made in 1879 Date 26 July 2007 Source Own work Author Dr. Timo Mappes
co_Panorama_from_Twin_Peaks_201
3.jpg User:Tuxyso
https://commons.wikimedia.org/wiki/File:Microscope_Zeiss_1879.jpg Dr. Timo Mappes
http://www.brianckeegan