Description
US-milled iron filings at 40-60 mesh in a 250-gram translucent screw-cap bottle
holding volume constant across specimens for isolated density comparisons
Zinc-plated rectangular steel bar-magnet pair packaged with keepers that bridge the poles in storage
Combining filtration and titration on one base
Designed to project narrow beams through interchangeable slit plates
Standard Ray Box for Optics Material_Hardwood US-milled iron filings at 40-60Designed to project narrow beams through interchangeable slit plates, this ray box gives students a controllable light source for reflection, refraction, and ray tracing demos.
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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