Pear-Shaped Squibb Separatory Funnel with Rotaflow Stopcock and 24/29 Plastic Stopper, 500mL, Borosilicate Glass Length_63mm sized for the positive-rail side

sized for the positive-rail side of color-coded bench wiring

the wooden storage box housing optical-grade shapes for dispersion

stored in a 7

Hinged-cover pocket compass with a 45mm dial graduated in degrees and a needle lock

transmitting light end-to-end via total internal reflection to give a tabletop analogue of a fiber-optic cable

Pear-Shaped Squibb Separatory Funnel with Rotaflow Stopcock and 24/29 Plastic Stopper, 500mL, Borosilicate Glass Length_63mm sized for the positive-rail sidePear shaped Squibb separatory funnel in borosilicate glass holds 500mL with Rotaflow stopcock for liquid liquid extraction and phase separation.