Eureka/Constantan Bare Wire, Model C Capacity_250mL Brass-wire conductor and seven plotting

Brass-wire conductor and seven plotting compasses on a clear base

this 15-inch motion-converter model shows the engineering principle behind crankshaft pistons and rotary-to-linear mechanisms

Matte-white painted screen 100 x 100mm in size

and radial symmetry for marine biology teaching

Demonstrates the full light-to-electricity-to-motion chain through a solar cell

Eureka/Constantan Bare Wire, Model C Capacity_250mL Brass-wire conductor and seven plottingReel of 20 SWG bare constantan wire at 125g and 0. 91mm diameter, sized for thermocouple junction and precision resistor construction where temperature stability matters.