Pear-Shaped Squibb Separatory Funnel with Rotaflow Stopcock and 24/29 Plastic Stopper, 500mL, Borosilicate Glass Length_63mm and brass strips fixed to

and brass strips fixed to a wooden ring with outer wax-holding cups

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

Made of borosilicate glass with interchangeable plastic stopper and PTFE key stopcock

Pear-Shaped Squibb Separatory Funnel with Rotaflow Stopcock and 24/29 Plastic Stopper, 500mL, Borosilicate Glass Length_63mm and brass strips fixed toPear shaped Squibb separatory funnel in borosilicate glass holds 500mL with Rotaflow stopcock for liquid liquid extraction and phase separation.