Lot · Microscopes & Lab Equipment
Antique Bausch & Lomb Co Colorimeter No 7039 ptd
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Mon · Jun 1, 2026
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ZIP 974**
alanjames58
4,004 ratings · 100.00% positive
Description
From the sellerThis has brass on top portion, it has glass rods and not sure how it was used. The colorieter has two test tubes with a glass rod dipping in each. Light from the mirror passes up through the tubes and then through the rods.
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