US$ 199.99
Stamped N and S ends on this 3 x 0
and packaged as a single optics kit
Barlow's Wheel apparatus with neodymium magnets and a heavy base
Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric
and other biomolecules
Proof Plane Neulog Stamped N and S endsAcrylic 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$ 199.99
US$ 27.95
US$ 84.95
US$ 28.95
US$ 42.00
US$ 25.99
US$ 22.95