Expansion Adapter, 40/38 Socket and 24/29 Cone, Borosilicate 3.3 Glass Waves & Oscillation_Sound & Resonance and pith for stem anatomy

and pith for stem anatomy and plant tissue teaching

5-inch diameter

this pipette-type hydrometer draws electrolyte into a glass body with a colored-zone float for direct reading

routing a single input between two alternative output paths to introduce circuit-control and signal-selection logic

Glass prism with a 5-degree apex and 5° x 5° x 170° angles

Expansion Adapter, 40/38 Socket and 24/29 Cone, Borosilicate 3.3 Glass Waves & Oscillation_Sound & Resonance and pith for stem anatomyExpansion adapter in borosilicate 3. 3 glass features 40 38 socket and 24 29 cone for connecting different ground joint sizes in chemistry apparatus.