Colorimeter. Scientific Instrument.

Old Duboscq type medical colirometer by Pellin probably (unmarked). The colorimeter compares the colors of the samples with the standard colors during chemical analysis to determine the concentration of a sample. Samples are viewed under a monocular microscope. The colorimeter was used in urine analysis and later blood analysis to determine the concentrations of its components in physiological laboratories and medical diagnostics. Beautiful collector's item for a medical scientific instrument, or cabinet of curiosities. Very good state. Sold with an additional lamp. Height 37 cm, width 14 cm, depth 16.5 cm.

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