US$ 13.90
and cylinders during glassware care
Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum
delivering wheel-driven power to a lamp or a Newton color disc
Four-finish Leslie's cube in tinplate at 13cm per side — blackened
Electrostatics Demonstration Kit Material_Bristle and cylinders during glassware careNineteen piece electrostatics kit anchored by a gold leaf electroscope, with polystyrene spheres, polythene plates, an electrophorus, proof plane, and acetate strips for hollow conductor work.
US$ 13.90
US$ 19.90
US$ 21.90
US$ 21.90
US$ 24.90