Add to Cart Quick view Collins ART-13 Original Sperti Electronics CYS 24163 / SP IS-21 HV Vacuum Switch New in Box! Sperti Electronics MSRP: Now: $59.99 Was: This Collins ART-13 Original Sperti Electronics CYS 24163 / SP IS-21 HV Vacuum Switch, is New in the original Box and was made in 1942 when the ART-13 was first built! This is a great find as relays... 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