Vacuum Bell Jar

Description Vacuum Bell Jar made of several mm-thick glass with grip knob and polished flange. The Bell is intended for use with the Vacuum Experiment Plate (U21850). Specifications: Inner diameter: 190 mm Total height: 220 mm Required: 1003170 Electric Doorbell 1003317 Rotary-Vane Vacuum Pump, Two-Stage 1003166 Vacuum Experiment Plate 1002619 Vacuum Hose, 8 mm