Bend Receiver Adapter with Vacuum Connection, 19/26 Socket and 24/29 Cone, Borosilicate Glass Glass Flasks_Volumetric Flasks -Class B and test tubes for 'potion'

and test tubes for 'potion' making

Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary

Lightweight equilateral acrylic refraction prism with polished triangular faces

this translucent LDPE wash bottle handles rinse and dispensing work at the bench

with a captive thumbscrew on one prong for Melde's standing-wave experiment and binding posts accepting 2-6V DC

Bend Receiver Adapter with Vacuum Connection, 19/26 Socket and 24/29 Cone, Borosilicate Glass Glass Flasks_Volumetric Flasks -Class B and test tubes for 'potion'Bend receiver adapter with vacuum connection in borosilicate glass features 19 26 socket for reduced pressure distillation procedures.