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Bell and Vacuum Demonstrator
To demonstrate the principle that sound does not travel in vacuum. This is a modified unit which doe..
Bourdon Vacuum Gauge
Bourdon type mounted on brass pillar with nozzles for in and out connections 3/8 O.D. Heavy cast iro..
Glass Bell Jar - 6W x 11H
Heavy duty glass bell jar, ideal for studying the properties of matter under a vacuum or for isolati..
Hand Air Pump
This pump features a painted steel barrel, steel valve assembly, and a wooden handle. Both in and ou..
High Vacuum Pump Plate
This acrylic pump plate accommodates bell jars up to 9 diameter and has a 3/8 inch brass intake port..
Pump Oil
Quart of oil for our Vacuum Pump. Unit of Sale :Each..
Vacuum Pump
This reliable, rotary vane type, low cost, two stage, high vacuum pumps operate quietly. Specificati..
Vacuum Pump w/ 30 Hg. Gauge
Same as 16301 with gauge. Unit of Sale :Each..
Vacuum Pump with Gauge
Hand vacuum pump with gauge reading in both cm and inches of mercury. Easy vacuum release valve with..