Description
and three low-friction nylon wheels for straight-line momentum experiments
this coil draws tens of thousands of volts from a 9-12V DC source to strike 50mm sparks
commutator
Diffraction grating mounted on a 90 x 40mm card slide
Symon's Rain Gauge Graduations_50mL and three low-friction nylon wheelsSymon's rain gauge with an iron sheet outer cylinder, brass collar, and overflow catching inner vessel, providing a standard method for cumulative rainfall measurement.
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
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