Large Magdeburg Hemisphere Plastic Labware_Plastic Burettes this plug-type resistance box lets

this plug-type resistance box lets students see the switching action of each decade

closing when a magnet is brought near to introduce magnetic-actuated switching alongside hand-operated switches

and intervertebral disc anatomy for musculoskeletal system teaching

and triangle waveforms from 1Hz to 100kHz at 0-10V peak-to-peak

catching condensate in distillation and steam-handling setups

Large Magdeburg Hemisphere Plastic Labware_Plastic Burettes this plug-type resistance box letsLarge Magdeburg hemispheres demonstrating the force of atmospheric pressure through vacuum sealed halves that resist tug of war separation in classroom scale physics demos.