1940 Philco Radio Model 40-120 Restored. FREE Shipping - Etsy
Antique radio - Wikipedia
Zenith 1940s Radio & Turntable Combination Cabinet Antique Vintage Rare | eBay
1940 (June 1939) - Philco Radio Gallery
NBC University Theater Adapted Great Novels to Radio & Gives Listeners College Credit : Hear 110 Episodes from a 1940s eLearning Experiment | Open Culture
Before Net Neutrality: The Surprising 1940s Battle for Radio Freedom - The Atlantic