Bend Receiver Adapter with Vacuum Connection, 19/26 Socket and 24/29 Cone, Borosilicate Glass Glass Flasks_Volumetric Flasks -Class B this translucent LDPE wash bottle

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

using a 5cm sphere with detachable hemispherical cups that lift away to test for residual charge

Lightweight equilateral acrylic refraction prism with polished triangular faces

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 this translucent LDPE wash bottleBend receiver adapter with vacuum connection in borosilicate glass features 19 26 socket for reduced pressure distillation procedures.