RCA "Radiola I" prototype radio broadcast receiver | National Museum of American History
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
Radiola (radio station) - Wikipedia
1946 Vintage RCA Radiola Model 61-5 AM SW SHORT WAVE Tooden Wood table Radio | eBay
RCA Radiola Radios -1924A : Free Download, Borrow, and Streaming : Internet Archive