Returning Customer ?
Don't have an account ?
No products in the cart.
"Please visit our website www.supertekglassware.com for all Glassware products."
Showing the single result
A layer of oxidized resistance wire is wound on a porcelain tube which is supported by end supports. A sliding contact and three 4 mm socket terminals are provided for use as a rheostat or as a potentiometer.
