US$ 105.00
Twenty 1-inch sample squares spanning ferrous and non-ferrous metals
Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric
tightened with an Allen wrench for constructing lattice frameworks on laboratory benches
and packaged as a single optics kit
Proof Plane Neulog Twenty 1-inch sample squares spanningAcrylic handled proof plane with a 96mm brass sampling disc, sized to map charge distribution across larger conductors and transfer charge cleanly to an electroscope.
US$ 105.00
US$ 169.97
US$ 49.95
US$ 74.95