![File:Vintage Miniman Germanium Crystal Radio, Model M-702, Made In Japan, Circa 1960 (23356082450).jpg - Wikimedia Commons File:Vintage Miniman Germanium Crystal Radio, Model M-702, Made In Japan, Circa 1960 (23356082450).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/9/9e/Vintage_Miniman_Germanium_Crystal_Radio%2C_Model_M-702%2C_Made_In_Japan%2C_Circa_1960_%2823356082450%29.jpg)
File:Vintage Miniman Germanium Crystal Radio, Model M-702, Made In Japan, Circa 1960 (23356082450).jpg - Wikimedia Commons
![File:Vintage Gaytone EM-TONE Pocket Germanium Crystal Radio, Model ER-22M, Made In Japan (15692891203).jpg - Wikimedia Commons File:Vintage Gaytone EM-TONE Pocket Germanium Crystal Radio, Model ER-22M, Made In Japan (15692891203).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Vintage_Gaytone_EM-TONE_Pocket_Germanium_Crystal_Radio%2C_Model_ER-22M%2C_Made_In_Japan_%2815692891203%29.jpg/2560px-Vintage_Gaytone_EM-TONE_Pocket_Germanium_Crystal_Radio%2C_Model_ER-22M%2C_Made_In_Japan_%2815692891203%29.jpg)
File:Vintage Gaytone EM-TONE Pocket Germanium Crystal Radio, Model ER-22M, Made In Japan (15692891203).jpg - Wikimedia Commons
![File:Vintage Kent Germanium Crystal Radio, Model MG-50, Made In Japan, Circa 1950s (16294265736).jpg - Wikimedia Commons File:Vintage Kent Germanium Crystal Radio, Model MG-50, Made In Japan, Circa 1950s (16294265736).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/b/bb/Vintage_Kent_Germanium_Crystal_Radio%2C_Model_MG-50%2C_Made_In_Japan%2C_Circa_1950s_%2816294265736%29.jpg)