The Complete Guide on How to Build a Crystal Radio—Plus How They Work « Steampunk R&D :: WonderHowTo
Crystal radio - Wikipedia
Archimedes Laboratory - 'McGyver' Fox Hole Radio During WWI, WWII and later conflicts, many GI's built “Fox Hole Radios” to listen to news and music. These radios did not require batteries –
Calaméo - Weekend Projects - Build a Foxhole Radio
Make Razor Blade Diode for Crystal Radio/Foxhole Radio - YouTube
Foxhole Radio Crystal Unknown to us - Worldwide, build 1944 ?? | Radiomuseum
Did you ever build a crystal radio receiver?
How To Build A Foxhole Radio – SurvivalKit.com
Crystal Radios / Fox Hole Radios: For me, it all started here | N6CC
Foxhole Radio - the book
Remembering the Crystal Radio | Nuts & Volts Magazine
1944JanPM2 | Ham radio antenna, Ham radio, Crystal set
Crystal Set Radio Homebrew - REPLICA, USA, build 1999 ??, 3 pictures | Radiomuseum
Hacking When It Counts: POW Canteen Radios | Hackaday
Crystal Radios / Fox Hole Radios: For me, it all started here | N6CC
Foxhole radio - Wikipedia
Wireless Equipment, Receiver Type Crystal, British | Imperial War Museums
Crystal Radios / Fox Hole Radios: For me, it all started here | N6CC
Mountain Home foxhole radio – Foxhole Radio
