World's First Transistor Radio! The Regency model TR-1 (1954, USA)
29:33
Regency TR1 AM Transistor Repair Recap Resurrection First Transistor Radio
12:42
What Happened To American Transistor Radios? RCA 1959 shirt-pocket radio, consumer electronics USA
30:20
The queue-bothering proto-PowerPoint
19:08
Reforming Capacitors - Everything you wanted to know
35:08
Desmontaje (y prueba) del LNB de 20 GHz
9:34
Secret Radio Frequencies, Police Raids & Heavy Fines For Radio Scanning
29:58
This 1:10 Scale IBM PC 5150 Miniature is SUPERB
14:31