Support: Aluminum Molded Support Tights The Pipe On Each Side With Rod And Nuts.
Tube/Pipe: Pipe Are Made From Special Porcelain.
Slide: The Guide Rod Carrying Contact Block Is Tightened With Screws To The Protection Of The Support.
The Sliders Is Provided With Brass Contact.
These Have Double Contact System And Move Smoothly On The Sliding Rod.
Terminals: Three Brass Terminals Are Provided. One Terminal Being Connected To The Sliding Contact And The Other Two To The Ends Of The Winding, Enabling It To Be Used As Rheostat Or Potentiometer.
Winding Wires: The Layers Of Electrical Oxidized Eureka Wire Wound On An Insulating Heat Resistance Porcelain Pipe According To The Length Required.