-40%
Antique Blood Sugar colorimeter after crecelius-Seifert Zeiss Ikon
$ 0.52
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Description
An old small (road) German Microscope Kolorimeter Carl Zeiss in perfect working condition.To determine the amount of sugar in a liquid. Year of release 1930.
Colorimeter - an instrument for determining the concentration of a substance in solutions by comparing the intensity of their color with the reference solutions.
Mini device in perfect condition, will be a good replenishment of your collection or for the interior.