Class B Volumetric Flask with 10/19 Polyethylene Stopper, 5mL, White Graduations, Borosilicate Glass Subcategory_Zoology Models Plug-in 120V AC blower sized

Plug-in 120V AC blower sized to feed a linear air track

Polished copper calorimeter at 75 by 50mm with a lidded wood-and-plastic cover

Each specimen labelled with name

8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction

2" opening at the top of the funnel

Class B Volumetric Flask with 10/19 Polyethylene Stopper, 5mL, White Graduations, Borosilicate Glass Subcategory_Zoology Models Plug-in 120V AC blower sizedClass B volumetric flask in borosilicate 3. 3 glass holds 5mL with 10 19 polyethylene stopper for small volume volumetric measurement procedures.