US$ 41.19
8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction
Plug-in 120V AC blower sized to feed a linear air track
Each specimen labelled with name
Holds burettes
Class B Volumetric Flask with 10/19 Polyethylene Stopper, 5mL, White Graduations, Borosilicate Glass Subcategory_Zoology Models 8mm rod attachment and aClass B volumetric flask in borosilicate 3. 3 glass holds 5mL with 10 19 polyethylene stopper for small volume volumetric measurement procedures.
US$ 41.19
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US$ 36.06
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