Amazon.com: Alps Air Variable Capacitor 5 Gang Adjustable Around 20pf - 360pf (Meshed) for FM AM SW Crystal Radio Antenna Tuner Ham Radio : Electronics
Crystal Radio Tuning Capacitor
Loopstick Antenna Coil Inductor Litz Wire Hi-Q Variable Capacitor Crystal Radio | eBay
Variable Air Capacitor Crystal Radio Set Receiver Antenna Coil Piezo Earphone | #3831782859
Crystal Radio Capacitor, Crystal Diode, Earphone, and Ferrite Rod
Connecting the Crystal Radio Coil
Building a crystal radio set - OpenLearn - Open University
Poor Mans' Electronics Web Page - Crystal Radio
Chapter 4: Radio -- Build a portable crystal radio set with a directional loop antenna
Useful Components Choccy Block Crystal Radio
My Crystal Radio Page
Crystal Radio Tuner Homemade for Experimentation Coil and Capacitor Taps Parts | #249123011
Ask Clay: A crystal radio let you listen to the world (at least part of it)
John Adams Crystal Radio Kit Variable Capacitor
Crystal Radio Circuits
Jim
Solderless Crystal Radio Kit 4 - Mike's Electronic Parts
Crystal Radio -- Budget Cuts 140-pF
Crystal radios
Chapter 4: Radio -- Build a crystal radio set in 10 minutes
Poor Mans' Electronics Web Page - Crystal Radio
Crystal Radio Plans
How to Make / Build a Crystal Radio | Circuit Diagram
Crystal radio - Wikipedia
