I am sure that what I write below will find a resonance with quite a few readers who are senior citizens. An electro-mechanical contraption, sometimes as big as a 21-inch television set, vanished from the scene altogether some three decades ago - giving way to smaller devices, gradually reduced and ultimately miniaturised to a shirt-pocket size. Yes, I mean the big radio of yesteryear powered by vacuum tubes, ironically called valves, metamorphosing into a wonder creation of semi-conductor technology called pocket radios or transistors. Finally, the entry of TV into the drawing room has vanquished the dignified and respectable presence of the radio in middle class homes in what can be termed the tragedy of decent entertainment at home.
Read the interesting write up at :
(Thanks to C.K.Raman,VU3DJQ, New Delhi for sharing the link)