Cylindrical Dropping Funnel with PTFE Stopcock and 19/26 Plastic Stopper, 50mL, Borosilicate Glass Subcategory_Tongs Convex glass mirror at 50mm

Convex glass mirror at 50mm diameter and 100mm focal length

the geometry approaching minimum-deviation behavior where small apex shifts produce visible refraction-angle changes

the elongated proportions matching ray-tracing setups where a tall surface meets a single beam

specific-gravity

5-inch needle-pointed stand grips a 3/4-inch-wide bar magnet upright for hands-free study of attraction

Cylindrical Dropping Funnel with PTFE Stopcock and 19/26 Plastic Stopper, 50mL, Borosilicate Glass Subcategory_Tongs Convex glass mirror at 50mmCylindrical dropping funnel in borosilicate glass holds 50mL with PTFE stopcock, 19 26 plastic stopper, and ungraduated design for liquid addition.