Description
Barlow's Wheel apparatus with neodymium magnets and a heavy base
110 ohms at 1-ohm resolution
tightened with an Allen wrench for constructing lattice frameworks on laboratory benches
Twenty 1-inch sample squares spanning ferrous and non-ferrous metals
Proof Plane Neulog Barlow's Wheel apparatus with neodymiumAcrylic handled proof plane with a 96mm brass sampling disc, sized to map charge distribution across larger conductors and transfer charge cleanly to an electroscope.
Exchange/Return Notes
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