In the earlier years of television, they were powered by vacuum tubes, devices which needed to "warm up" before they would function and your black-and-white TV would work...so if you wanted to watch a show, you needed to turn on the set several minutes beforehand, then gradually the image would appear. Vacuum tubes would need replacement rather often, and as they weakened and malfunctioned the picture might dim, roll, become distorted, or go out altogether. The repairman was a frequent visitor to the house, and when he had to "take it into the shop" for work, you'd likely be without television for days, as probably there was only one set in the house that was watched by everyone...
...flat screen TV's? -- Non-existent! Most TV's were big boxy affairs, mostly with screens small by today's standards. Remotes? -- What are they? To change the channel, you'd leave your seat and shuffle to the set to work a mechanical tuner which itself could malfunction with age.
...flat screen TV's? -- Non-existent! Most TV's were big boxy affairs, mostly with screens small by today's standards. Remotes? -- What are they? To change the channel, you'd leave your seat and shuffle to the set to work a mechanical tuner which itself could malfunction with age.