Eureka/Constantan Bare Wire, Model J Plastic Labware_Plastic Funnels allowing this tangent galvanometer to

allowing this tangent galvanometer to convert deflection angle into an absolute current reading

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

this eight-fork steel set lets students hear and measure frequency

Glass equilibrium tubes with plastic base demonstrate pressure equilibrium

Eureka/Constantan Bare Wire, Model J Plastic Labware_Plastic Funnels allowing this tangent galvanometer toUsed to construct resistance coils and thermocouple legs that don't drift with temperature, this bare Eureka constantan wire takes advantage of the alloy's low temperature coefficient.