Four Barker & Williamson "Air Inductor" Items. 1- Type 3266 steatite jack bar & swinging link for BVL inductors; 1 - Type 10BVL 10 meter air inductor with original box; 1 - Type 10BVL 10 meter air inductor (no box); 1- Type 20BVL 20 meter air inductor with original box. Please see photos for condition. The 20BVL has some corrosion.