Description

Diffraction grating mounted on a 90 x 40mm card slide

sized to handle both wall-supply and battery-circuit current measurements

sized to suspend from a stand for mechanical-advantage experiments

plastic body with sturdy metal rod

Polyhedral 120mL glass alcohol lamp ships with a metal cap and fiber wick for low-temperature bench heating in chemistry and biology demonstrations

Pendulum Set on Stand Subject_Earth Science Diffraction grating mounted on aThree bob pendulum stand mounting iron, steel, and wood bobs on separate strings to a 42. 75 inch rod, for side by side period versus mass comparisons across three materials.

Exchange/Return Notes

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Pendulum Set on Stand Subject_Earth Science Diffraction grating mounted on a

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