Free Fall Tube

Description This glass tube can be evacuated to compare the free falling characteristics of different objects in a vacuum. Duck feathers and plastic parts are included as falling objects. Length glass tube : approx. 750 mm Diameter: 36 mm Hose nipple: 10 mm Weight: approx. 1 kg Required:1012855 Rotary-Vane Vacuum Pump, One-Stage 1002619 Vacuum Hose, 8 mm