1920’s Spencer Buffalo Duboscq Colorimeter

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Vintage 1920’s Spencer Buffalo Duboscq Colorimeter, This is a cool looking microscope type instrument, used for comparing 2 color liquids. There are 2 removable glass vials that you can add liquid to and raise or lower. there are also 2 solid glass bars that insert into the liquid, these have a few small chips on bottom edges but are hard to see. This is a great addition to any collection for display. This is approx. 12″ tall.