Solenoid Small, Inner Diameter Of 4.5 Cm And A Length Of 15 Cm, Wound With 700 Turns Of Insulated Copper Wire, Excellent For The Study Of Electricity And Magnetism Experimentsrequiring An External Magnetic Field
Plug Switch - Two Way Three Brass Blocks With 4mm Insulated Terminals With Tapered Plug With A Fluted Top Are Mounted On A Molded Base, With Three Brass Blocks, Each With A 4 mm Insulated Terminals And Two Standard Tapered Plugs To Fit The Two Holes Between The Blocks.
Knife Switch, Double Pole - Single Throw, Double Pole - Single Throwdurable Plastic Base Knife Switches That Stand Up During Tough Student Use. Poles & Knives Are Made Of Brass For Good Electrical Connections.