Description

producing a spread of spring constants for Hooke's-Law and mass-spring comparison work in introductory mechanics

Built for the classic thermal-expansion demonstration

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

5 inch base for precise angle measurement during wave-optics investigations

Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 8mm Thick Geology producing a spread of springGlass 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.

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Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 8mm Thick Geology producing a spread of spring

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