Description

three interchangeable scales

applying tension to material strips until failure for breaking-strain and tensile-strength measurement in materials-science work

and an 18mm attachment diameter for pulling small weights in mechanical-advantage experiments

LED circuits

Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 16.5mm Thick Subcategory_Alternative Energy three interchangeable scalesDouble concave glass lens at 50mm diameter and 100mm focal length, a thick 16. 5mm blank with optically true surfaces, the diverging curvature producing virtual upright images for refraction work.

Exchange/Return Notes

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Final sale items are not eligible for returns or exchanges.
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Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 16.5mm Thick Subcategory_Alternative Energy three interchangeable scales

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