Cone-shaped roller inductor
Variable Roller Inductor Coil - JOHNSON 10uH - LINEAR AMPLIFIERS ANTENNA TUNERS | eBay
Roller inductor making - YouTube
Transmitting Variable Inductors
G3YNH info: Variable inductors used in HF antenna matching networks.
Commercial 20 uH High Quality, Plated Roller Inductor from Broadcast Transmitter in Excellent Condition
E.F Johnson Roller Inductor 229-201 0 - 10 uH / 3 AMP | eBay
66 TURNS ~77µH ROLLER INDUCTOR VARIABLE INDUCTANCE COIL SILVER COPPER WIRE NEW | eBay
16 uH High Quality, Commercial Silver Plated Roller Inductor (Coil Only) in Excellent Condition
Rolling Inductor 150Watts 150uH high speed adjustable inductor
229-201 Johnson Roller Inductor with Gear 10uh (Pull)
Roller Inductor MFJ 989D Antenna Tuner 33 uH
229-201-1 Cardwell 10uh Roller Inductor, Used
Roller Inductor | Continuously variable roller inductor. It'… | Flickr
Transmitting Variable Inductors
E.F. Johnson 222-103 Roller Inductor 10uh - Electronic Components - BMI Surplus
Roller Inductor MFJ 962D MFJ 969 Antenna Tuner 33 uH
roller-inductor
Roller Inductor 0.1-5uH 40kv 0.5-30Mhz Silver Plated Graphite Body
