Description

sized for low-resistance Ohm's-law work where high-resistance components don't draw measurable current

Sliding-top wooden box 4 x 2 x 1 inches

5 inches) make north and south poles instantly identifiable during attraction

removable bar magnet

Double Concave Glass Lens, 50mm Diameter, 250mm Focal Length, 3mm Thick Material_Wood sized for low-resistance Ohm's-law workSlim 3mm thick double concave glass lens at 50mm diameter and 250mm focal length, the diverging curvature paired with low mass for ray box mounts and lightweight optics setups.

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

Double Concave Glass Lens, 50mm Diameter, 250mm Focal Length, 3mm Thick Material_Wood sized for low-resistance Ohm's-law work

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