Vacuum Pump, Hand Operated

Combition Of Vacuum Pump Syringe And Plate Mounted On A Non-Skid Base. Useful For Creating Vacuum Inside Enclosures Placed On The Pump Plate Such As Bell-Jar And Study The Physical Phenome Related To The Vacuum Thereof. A Metal Barrel Has Piston Mounted On Its One End And The Other End Having A Metal Block On Top Of Which Plate Is Mounted. A Stop-Cock Provided To Facilitate Release Of Vacuum. The Complete Apparatus Mounted On Base For Convenience In Use And Stability. (Air Pump Vacuum On Cast Metal Tripod Base, With Pump Syringe Of Smaller Length)