1-1000Ω Plug-Type Brass Resistance Box, 13 Coils Item Type_Spoon used to route current down

used to route current down one of two alternative branches in series-parallel circuit investigations

and other foundational circuit topologies for introductory physics

Three-hundred-millimeter black 2mm-stackable lead with nickel-plated split-hollow pins on both ends

Exposes every moving part of a two-pole armature rotating between permanent magnets on an open 4-inch plastic base

25 inches on a swivel boss head fitting 18mm rods

1-1000Ω Plug-Type Brass Resistance Box, 13 Coils Item Type_Spoon used to route current downThirteen coil plug type resistance box covering 1 ohm to 1000 ohms with 2110 ohms total at plus or minus 0. 1% accuracy on double silk covered constantan windings, reference grade for bridge work.