Early Microscope Schiek in Berlin Mikroskop - Nov 26, 2005 | Auction Team Breker in Germany
Museum optischer Instrumente: Mittleres Gundlach-Mikroskop
Museum optischer Instrumente: Mittleres Gundlach-Mikroskop
Antique American "Ernst Gundlach" Field Microscope with Carrying Case circa 1900 For Sale at 1stDibs | 1900 microscope, antique botanical field microscope, microscope 1900