Add to Cart Quick view Collins ART-13 Original Sperti Electronics CYS 24163 / SP IS-21 HV Vacuum Switch New! Sperti Electronics MSRP: Now: $59.99 Was: This Collins ART-13 Original Sperti Electronics CYS 24163 / SP IS-21 HV Vacuum Switch, it was New in the original Box and was made in 1942 when the ART-13 was first built! This is the last unit I have in stock and the original box was in bad shape... MSRP: Now: $59.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $59.99 Was: Subtotal: Add to Cart