Crystal Radio with "Spiralgraphic" Loop Antenna - YouTube
Crystal Radios "Stay Tuned" Crystal Sets
How to Make / Build a Crystal Radio
Poor Mans' Electronics Web Page - Crystal Radio
Crystal Radio Circuits
Portable crystal radio using a loop antenna
Homebrew Crystal Radios with Basket Weave Coils
Peebles Project Pages – Homemade DX Crystal Radio
Crystal radio - Wikipedia
Crystal Radio Sets with Amplifier Circuit | Homemade Circuit Projects
Fájl:Circuit diagram of a crystal radio receiver.svg – Wikipédia
Crystal Radio Antenna (Shortwave Also) - YouTube
Build Your Own Crystal Radio | Science Project
Solved: Crystal radio set. The phenomenon of resonance makes it po... | Chegg.com
Crystal Radio
Crystal Rocket Radio ~ Germanium Diode
High Performance Crystal Short Wave | Northern Self Reliance
Chapter 4: Radio -- Build a crystal radio set in 10 minutes
Keretantennás kristálydetektoros rádió - Loop Antenna Crystal Radio
Build Your Own Crystal Radio | Science Project
The Creative Science Centre - by Dr Jonathan P. Hare
Crystal Radios "Stay Tuned" Crystal Sets
Remembering the Crystal Radio | Nuts & Volts Magazine
Crystal Radio Circuit
Crystal Radio with Loop Antenna
