Description

75 inch wall thermometer

and an activity guide for introducing circuit construction

or acrylic rods

and tin specimens in a snap-top case for comparative mass-volume calculations

Plano-Cylindrical Concave Lens, -17 Diopter, 50 x 50mm Material_Bristle 75 inch wall thermometerPlano cylindrical concave lens at 50 by 50mm with 17 diopter power, the cylindrical concave curvature spreading light along a single axis for line focus and divergence 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

Plano-Cylindrical Concave Lens, -17 Diopter, 50 x 50mm Material_Bristle 75 inch wall thermometer

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