Kit, Triple beam LED flashlight, prewired, no soldering, Includes flexible thin-film solar panel, 3 bright white LED's and 2 rechargeable AAA NiMH batteries.
Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied.
Tangent Galvanometer, Features copper magnet wire, adjustable potentiometer, compass and non-magnetic stand. Measure an electric current by determining the magnitude and direction of the horizontal component of Earths magnetic field
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