This vintage radio variable resistor from HARVEY WELLS ELECTRIC is a rare find for collectors. With the model number 3350-769-500-4571 and a unit quantity of one, it is in pristine condition and has never been used. Made in the United States in 1956, this unit is a testament to the quality and craftsmanship of vintage electronics.  This item is perfect for those who want to add a piece of history to their collection.