US$ 39.95
delivering wheel-driven power to a lamp or a Newton color disc
Stamped with element symbols for quick identification
Student kit for constructing a working DC motor from component parts
3g nickel-plated steel balls on a red wood base
Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes
Leyden Jar Manufacturer_hBARSCI delivering wheel-driven power to aReproduces Ewald von Kleist's 1745 charge storage device with concentric metal cups around a plastic dielectric, used to demonstrate capacitance and the discharge of stored static charge.
US$ 39.95
US$ 39.95
US$ 1199.50
US$ 19.99
US$ 139.99
US$ 1249.50