1-1000Ω Plug-Type Brass Resistance Box, 13 Coils Item Type_Spoon Exposes every moving part of

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

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

MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment

and an ignition light that fires on compression

sized to handle both wall-supply and battery-circuit current measurements

1-1000Ω Plug-Type Brass Resistance Box, 13 Coils Item Type_Spoon Exposes every moving part ofThirteen 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.