Long Stem Receiver Delivery Adapter, 14/23 Socket, 65mm Body, Borosilicate Glass Heat & Thermodynamics_Energy Transfer & Engines 6-piece borosilicate glass delivery tube

6-piece borosilicate glass delivery tube set features uniquely shaped tubes for gas transfer

Replacement drive belt matched to the companion hand-crank Van de Graaff generator

condensing lens

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

Wall-mounted plastic draining rack with 20 pegs and a drip tray

Long Stem Receiver Delivery Adapter, 14/23 Socket, 65mm Body, Borosilicate Glass Heat & Thermodynamics_Energy Transfer & Engines 6-piece borosilicate glass delivery tubeLong stem receiver delivery adapter in borosilicate glass features 14 23 socket for distillation collection and extended chemistry apparatus assembly.