![File:Vintage RCA Radiola Semi-Portable Radio, Model AR-812, Broadcast Band Only (MW), Battery Powered, 6 UV199 Vacuum Tubes, Paired With A Radiola Model 100 Speaker, Circa 1924 (14782561019).jpg - Wikimedia Commons File:Vintage RCA Radiola Semi-Portable Radio, Model AR-812, Broadcast Band Only (MW), Battery Powered, 6 UV199 Vacuum Tubes, Paired With A Radiola Model 100 Speaker, Circa 1924 (14782561019).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/7/76/Vintage_RCA_Radiola_Semi-Portable_Radio%2C_Model_AR-812%2C_Broadcast_Band_Only_%28MW%29%2C_Battery_Powered%2C_6_UV199_Vacuum_Tubes%2C_Paired_With_A_Radiola_Model_100_Speaker%2C_Circa_1924_%2814782561019%29.jpg)
File:Vintage RCA Radiola Semi-Portable Radio, Model AR-812, Broadcast Band Only (MW), Battery Powered, 6 UV199 Vacuum Tubes, Paired With A Radiola Model 100 Speaker, Circa 1924 (14782561019).jpg - Wikimedia Commons
![12 de mayo de 1924, Radio Ibérica comienza a emitir su programación diariamente - Museo Postal y Telegráfico 12 de mayo de 1924, Radio Ibérica comienza a emitir su programación diariamente - Museo Postal y Telegráfico](https://museopostalytelegrafico.es/wp-content/uploads/2020/05/emisor-iberica-1.jpg)
12 de mayo de 1924, Radio Ibérica comienza a emitir su programación diariamente - Museo Postal y Telegráfico
![Gli anni della radio (1924-1954): Contributo ad una storia sociale dei media in Italia (Sociologia dei media) (Italian Edition): Natale, Anna Lucia: 9788820719302: Amazon.com: Books Gli anni della radio (1924-1954): Contributo ad una storia sociale dei media in Italia (Sociologia dei media) (Italian Edition): Natale, Anna Lucia: 9788820719302: Amazon.com: Books](https://m.media-amazon.com/images/I/81PA4Mh30DL._AC_UF1000,1000_QL80_.jpg)