![File:Vintage Lark Germanium Radio, Type ML-10, D.D.K. Co., Headphone Listening Only, Made In Japan (14856260743).jpg - Wikimedia Commons File:Vintage Lark Germanium Radio, Type ML-10, D.D.K. Co., Headphone Listening Only, Made In Japan (14856260743).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/5/51/Vintage_Lark_Germanium_Radio%2C_Type_ML-10%2C_D.D.K._Co.%2C_Headphone_Listening_Only%2C_Made_In_Japan_%2814856260743%29.jpg/1200px-Vintage_Lark_Germanium_Radio%2C_Type_ML-10%2C_D.D.K._Co.%2C_Headphone_Listening_Only%2C_Made_In_Japan_%2814856260743%29.jpg)
File:Vintage Lark Germanium Radio, Type ML-10, D.D.K. Co., Headphone Listening Only, Made In Japan (14856260743).jpg - Wikimedia Commons
![File:Vintage Union Germanium Radio Model GR-84, NOS, Made in Japan (8287719476).jpg - Wikimedia Commons File:Vintage Union Germanium Radio Model GR-84, NOS, Made in Japan (8287719476).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/da/Vintage_Union_Germanium_Radio_Model_GR-84%2C_NOS%2C_Made_in_Japan_%288287719476%29.jpg)
File:Vintage Union Germanium Radio Model GR-84, NOS, Made in Japan (8287719476).jpg - Wikimedia Commons
![Crystal radio circuit using pairs of diodes instead of ONE 1N34A diode. I was given this circuit to try various diodes instead of relying on the discontinued 1N34A diode availability. The mission was to kit a hundred simple basic crystal radios and give them out ... Crystal radio circuit using pairs of diodes instead of ONE 1N34A diode. I was given this circuit to try various diodes instead of relying on the discontinued 1N34A diode availability. The mission was to kit a hundred simple basic crystal radios and give them out ...](http://www.learnmorsecode.com/help/xtalbarebones.jpg)
Crystal radio circuit using pairs of diodes instead of ONE 1N34A diode. I was given this circuit to try various diodes instead of relying on the discontinued 1N34A diode availability. The mission was to kit a hundred simple basic crystal radios and give them out ...
![Vintage Kent Germanium Crystal Radio, Model MG-50, Made In Japan, Circa 1950s | Transistor radio vintage, Pocket radio, Old time radio Vintage Kent Germanium Crystal Radio, Model MG-50, Made In Japan, Circa 1950s | Transistor radio vintage, Pocket radio, Old time radio](https://i.pinimg.com/originals/81/05/1f/81051f375e8f0dafd7604643a4384408.jpg)
Vintage Kent Germanium Crystal Radio, Model MG-50, Made In Japan, Circa 1950s | Transistor radio vintage, Pocket radio, Old time radio
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50pcs/bag 1N60 1N60P Schottky Germanium Diode 45V TV Radio FM Detection|schottky diode|1n60 germanium diodegermanium diode 1n60 - AliExpress
![Radios Miniman ~ Crystal Radio 1950's Japan Import ~ Germanium Diode ~ NIB Crystal Radios Radios Collectibles Radios Miniman ~ Crystal Radio 1950's Japan Import ~ Germanium Diode ~ NIB Crystal Radios Radios Collectibles](http://www.esnarf.com/7335.jpg)