Brass Compound Microscope

Description:

Brass Compound Microscope, F. Koristka, Milan, 19th century, with rackwork coarse focusing, fine focusing on pillar, nosepiece with three marked objectives, circular stage with clips, substage with condenser and iris diaphragm adjusts with a knurled thumbscrew, plano/convex mirror mounted on swing arm, flared U-base, with fitted box holding three eyepieces and four objectives, ht. closed 11 1/2 in.
Estimate $300-500

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