American RadioAug 14, 2011 In the early 20th Century, crystal radios were immensely popular until most were replaced by vacuum tube receivers in the mid-1920s.Charles Correll & Freeman Gosden as Amos and Andy 1929, Wikimedia Commons.Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on WhatsApp (Opens in new window)You might also like these posts: Comments, contributions, corrections, and suggestions are always welcome: Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email. Δ