Tube Radios Are Memory Radios

My best guess is I own over a dozen solid state (transistors and integrated circuits) radios. They range in size from palm size to several pieces that cover a table top. Almost all are AM/FM/Shortwave. I can listen to local stations during the day and international stations at night. Some radios cover the Amateur Radio frequencies. Yes, I am a HAM---KE5GK. The radios I listened to in the 1940?...