Cone-shaped roller inductor
Rolling Inductor 150Watts 150uH high speed adjustable inductor
Inductors - Roller Inductors - Nationwide Radio & Eq. Sales LLC
E.F Johnson Roller Inductor 229-201 0 - 10 uH / 3 AMP | eBay
Roller Inductor MFJ 962D MFJ 969 Antenna Tuner 33 uH
Cone-shaped roller inductor
66 TURNS ~77µH ROLLER INDUCTOR VARIABLE INDUCTANCE COIL SILVER COPPER WIRE NEW | eBay
Roller Inductor MFJ 989D Antenna Tuner 33 uH
G3YNH info: Variable inductors used in HF antenna matching networks.
Rolspoel
hamtech
Commercial 20 uH High Quality, Plated Roller Inductor from Broadcast Transmitter in Excellent Condition
Roller inductor making - YouTube
Transmitting Variable Inductors
Palstar - Inductors
File:Rollspule.jpg - Wikimedia Commons
Roller inductor 24uH
L0201 (406-1) La Pointe Roller Inductor 10uh, Used Clean
Transmitting Variable Inductors
29 uH High Quality Roller Inductor on Ceramic Coil Form in Excellent Condition
229-201-8, Johnson, Roller, Inductor, 10uh, Used
E.F. Johnson 222-103 Roller Inductor 10uh - Electronic Components - BMI Surplus
Variable Roller Inductor Coil-Giant-48uH-HF Linear Power Amplifier-Antenna Tuner | eBay
