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‘test tube’ historical pictures (exact matches)
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Boy performing a chemistry experiment
Chemical Apparatus
Davy and Faraday
Kammersänger Albert Niemann als Chemiker (The Opera Singer Albert Niemann as a Chemist)
Moments with genius Written by the Illinois Writers Project: presented by the Museum of Science & Industry
Ersatzmiddel-Ausstellung, Wien, 1918
Diphtheria specimen test kit, Wakefield, England, 1931–1950
Pravaz syringe. A syringe returning the vaccine for animals to the test tube as a way to avoid air bubbles after a …