Description
Borosilicate glass equilibrium-tube apparatus with four connected shapes — straight
and mechanical-advantage experiments (stand base and support clamp sold separately)
Neck inner diameter: 28
Ten-pack of 4
providing the longer-reach branched-wiring counterpart to the 300mm version
Push Switch Demonstration Board Material_Cork Borosilicate glass equilibrium-tube apparatus withPush switch on a demonstration base with 4mm plug connections, closing the circuit only while the button is held to introduce momentary contact behavior alongside latched switches.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























