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).
Inner diameter: 190 mm
Total height: 220 mm
Beam balance on base with suspended polystyrene ball and adjustable counterweight for demonstrating buoyancy on a body due to atmospheric pressure. At a state of equilibrium a Baroscope is placed in a vacuum bell jar under atmospheric pressure ...
Bell for demonstrating electro-magnetic operation of apparatus and verifying that sound waves sound waves do not propagate in a fine vacuum (< 1 hPa).
Open acrylic housing with 4-mm safety sockets.
Power supply: 6 V AC
Dimensions: 100x95x50 ...
Inexpensive, transparent plastic vacuum chamber for basic experiments with low pressure. Hand pump integrated into base plate, bleed valve and manometer for measuring pressure down to 330 hPa.
Dimensions: 200 mm diam. x 250 mm
Demonstrate the effect of atmospheric air pressure with the Mini Magdeburg Hemispheres. Two plastic hemispheres can be joined vacuum tight! Air is forced from the disks after being placed face to face. The disks are then very difficult to pull ...
Inexpensive vacuum recipient made of transparent acrylic for experiments in coarse and fine vacuums. Comprises a base and vacuum cylinder with venting valve, manometer, inlet tap, entrance for contacts and rubber ring.
Volume: 9 l approx. ...
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 ...
Experiment plate for the assembly of a vacuum chamber in conjunction with the Vacuum Bell Jar (U218511) for exploration of physical phenomena in vacuum. The metal plate has a sealing ring, is mounted on a tripod, has a hose connection on ...