Category:Test tubes

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test tube 
Two small test tubes held in spring clamps.jpg
Wikipedia
Subclass of laboratory tube,
laboratory glassware
Authority control
Wikidata
Blue pencil.svg

Subcategories

This category has the following 6 subcategories, out of 6 total.

C

D

I

R

S

V

Media in category "Test tubes"

The following 167 files are in this category, out of 167 total.