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301 piezas
Simple monocular microscope. W. Johnson. London 1860. Model “Society of the Arts”.
Compound monocular microscope. R&J Beck. London. C.1876. «Star» model.
Beck & Beck monocular microscope. c.1872.
Monocular microscope with reverse focus. England c.1850.
Barrel microscope. Manufacturer J. H. Steward. London. c 1870.
Barrel microscope. c 1850. Unknown manufacturer.
Microscope of barrel (barrel) or system of drum (Drum). Unknown manufacturer.
Oberhauser model compound monocular microscope. C.1860-71. Unknown manufacturer.
Double pillar. Simple monocular microscope. c.1860.
