![File:Vintage Arrow Pocket Germanium Radio, Earphone Listening Only, Made in Japan (8455790902).jpg - Wikimedia Commons File:Vintage Arrow Pocket Germanium Radio, Earphone Listening Only, Made in Japan (8455790902).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/f/fe/Vintage_Arrow_Pocket_Germanium_Radio%2C_Earphone_Listening_Only%2C_Made_in_Japan_%288455790902%29.jpg)
File:Vintage Arrow Pocket Germanium Radio, Earphone Listening Only, Made in Japan (8455790902).jpg - Wikimedia Commons
![File:Vintage Arrow Germanium Crystal Radio, Made In Japan, Circa Late 1950s (48607710723).jpg - Wikimedia Commons File:Vintage Arrow Germanium Crystal Radio, Made In Japan, Circa Late 1950s (48607710723).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/f/fa/Vintage_Arrow_Germanium_Crystal_Radio%2C_Made_In_Japan%2C_Circa_Late_1950s_%2848607710723%29.jpg)
File:Vintage Arrow Germanium Crystal Radio, Made In Japan, Circa Late 1950s (48607710723).jpg - Wikimedia Commons
![File:Vintage Arrow Toy Germanium Crystal Pocket Radio, Model ER-87, Earphone Listening Only, Made In Japan, Circa Late 1950s (49173980848).jpg - Wikimedia Commons File:Vintage Arrow Toy Germanium Crystal Pocket Radio, Model ER-87, Earphone Listening Only, Made In Japan, Circa Late 1950s (49173980848).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/6a/Vintage_Arrow_Toy_Germanium_Crystal_Pocket_Radio%2C_Model_ER-87%2C_Earphone_Listening_Only%2C_Made_In_Japan%2C_Circa_Late_1950s_%2849173980848%29.jpg)
File:Vintage Arrow Toy Germanium Crystal Pocket Radio, Model ER-87, Earphone Listening Only, Made In Japan, Circa Late 1950s (49173980848).jpg - Wikimedia Commons
![File:Vintage Arrow Germanium Crystal Pocket Radio, AM Band, Made In Japan, Circa 1958 - 1959 (48919078833).jpg - Wikimedia Commons File:Vintage Arrow Germanium Crystal Pocket Radio, AM Band, Made In Japan, Circa 1958 - 1959 (48919078833).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/7/73/Vintage_Arrow_Germanium_Crystal_Pocket_Radio%2C_AM_Band%2C_Made_In_Japan%2C_Circa_1958_-_1959_%2848919078833%29.jpg)