Description

Built for the classic thermal-expansion demonstration

Two-hundred-fifty-gram push-pull balance in an acrylic tubular body

this clear dial provides a readable face for measuring angular displacement in physics setups

7 inches with stopper

Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 8mm Thick Geology Built for the classic thermal-expansionGlass double concave lens at 50mm diameter and 100mm focal length, an 8mm thick blank delivering the same diverging behavior at lower mass for ray box and small mount 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, 100mm Focal Length, 8mm Thick Geology Built for the classic thermal-expansion

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