![File:Vintage Zenith Royal 820 Portable Transistor Radio (The Symphony), AM-FM Bands, 9 Transistors, Chassis 9LT42Z8, Made In USA, Circa 1964 (38518264662).jpg - Wikimedia Commons File:Vintage Zenith Royal 820 Portable Transistor Radio (The Symphony), AM-FM Bands, 9 Transistors, Chassis 9LT42Z8, Made In USA, Circa 1964 (38518264662).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/c/c0/Vintage_Zenith_Royal_820_Portable_Transistor_Radio_%28The_Symphony%29%2C_AM-FM_Bands%2C_9_Transistors%2C_Chassis_9LT42Z8%2C_Made_In_USA%2C_Circa_1964_%2838518264662%29.jpg)
File:Vintage Zenith Royal 820 Portable Transistor Radio (The Symphony), AM-FM Bands, 9 Transistors, Chassis 9LT42Z8, Made In USA, Circa 1964 (38518264662).jpg - Wikimedia Commons
![File:Vintage Zenith Royal 1000 All Transistor Trans-Oceanic Short Wave Portable Radio, Made in USA (8723835664).jpg - Wikipedia File:Vintage Zenith Royal 1000 All Transistor Trans-Oceanic Short Wave Portable Radio, Made in USA (8723835664).jpg - Wikipedia](https://upload.wikimedia.org/wikipedia/commons/4/4c/Vintage_Zenith_Royal_1000_All_Transistor_Trans-Oceanic_Short_Wave_Portable_Radio%2C_Made_in_USA_%288723835664%29.jpg)
File:Vintage Zenith Royal 1000 All Transistor Trans-Oceanic Short Wave Portable Radio, Made in USA (8723835664).jpg - Wikipedia
![File:Vintage Zenith Royal 20 Transistor Radio, Model R20C, Chassis 8NT47Z9, AM Band, 8 Transistors, Made In USA, Circa 1965 (43679461910).jpg - Wikimedia Commons File:Vintage Zenith Royal 20 Transistor Radio, Model R20C, Chassis 8NT47Z9, AM Band, 8 Transistors, Made In USA, Circa 1965 (43679461910).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/3/3a/Vintage_Zenith_Royal_20_Transistor_Radio%2C_Model_R20C%2C_Chassis_8NT47Z9%2C_AM_Band%2C_8_Transistors%2C_Made_In_USA%2C_Circa_1965_%2843679461910%29.jpg)