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MICROSCOPES AND MICROSCOPY SLIDES
Europe: Germany, Wetzlar
Early 20th c.
overall: 325 x 150 x 170 mm
Duboscq-type colorimeter (Hawksley pattern). Black metal with u-shaped stand. Tubular (removable) outer body enclosing two glass specimen tubes. Jug handle. Independently adjustable twin prism scales. Double illumination router, but screw-attachable illumination source missing. Bakelite eyepiece surround.
Ex Monica Britton Collection, Bristol