Dissecting microscope used by Sir Ronald Ross

Periplan eyepiece, x 3 magnification

"Minor" portable microscope by Ernst Leitz

Microscope no.134973 by E. Leitz Wetzlar

Microscope by E. Leitz of Wetzlar

Lens with adjustable aperture attachment

Condenser lens with adjustable aperture

Unidentified lens with locking screw

Capillary pipette

Visual colorimeter, by Leitz

Brass monocular microscope in wooden case

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