Pair of Parex valve holders for screened grid, double plugged valves, by Paroussi, .. London with original packing carton. Pair of Parex valve holders for screened grid
Benjamin anti microphonic 4 pin valve holder with carton Benjamin anti microphonic 4 pin valve holder
Lissen low capacity, low loss valve holder with original packing carton Lissen low capacity, low loss valve holder