Round Base Borosilicate Glass Conical Measure with Spout, Ungraduated Capacity:125mL Equipped with an interchangeable polypropylene

Equipped with an interchangeable polypropylene stopper (19/26 socket) and a reliable glass key stopcock

and classroom observation

Pith balls suspended both inside and outside a charged metal cylinder make visible proof that electrostatic charge resides only on the outer surface of a conductor

and rubber-coated clamp

providing leverage to extract tight molecular-model bond links without damaging the bond ends or atom holes

Round Base Borosilicate Glass Conical Measure with Spout, Ungraduated Capacity:125mL Equipped with an interchangeable polypropyleneUsed for quick approximate volume transfers and pouring in compounding and solution preparation where a calibrated scale is not required.