F. Koristka, Milano #6827. Large Continental Microscope c. 1900 (Microscopio Grande Modello IIa)
Antique Brass Microscope / Small Antique Microscope / - Etsy
A Zeiss Jena brass monocular microscope around 1900. - Bukowskis
Ernest Leitz, Germany Antique Microscope w/ Original Carrier c.1900 - Ruby Lane
17. Monocular microscope manufactured by Neumann. Konisberg. Germany. 1900. – Colección de Microscopios
Compound monocular microscope, with the Schroeder fine adjustment, serial no. 5003, by Ross, London, 1890-1900. Graduated grey background. | Wellcome Collection