History of Microscopy - Early 1900s compound microscope by Baker, London. Serial number 10117. https://www.lotsearch.net/lot/2-large-laboratory- microscopes-852955 | Facebook
21005009 -n- Bausch & Lomb c.1900 Antique Brass Microscope w/ XY Stage, Wooden Case | Think Great Stuff
Antique Swift & Son Microscope with Accessories. England, Circa 1900
R. Krugelstein Microscope circa 1900
Spencer Microscope Buffalo Usa 1900 1920s
R. Krugelstein Microscope circa 1900
Sold at Auction: Microscope Ernst Leitz Wetzlar, around 1900/1910