Description
this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves
a compound unit for demonstrating multi-rope mechanical advantage in physics activities
and storage between uses at the laboratory bench
a 12V LED source on a US plug
with banana-plug terminals for optical-bench and physics-demonstration circuit setups
Balanced Wind Vane Plastic Labware_Plastic Wash Bottles this metal helix lets stairwell-scaleBalanced wind vane with a steel pivot bearing assembly and direction indicator mounted on a cast iron base, a sturdy meteorology tool for classroom and field weather observation.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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