Quote:
Originally Posted by Colly0410
Here in Britain mechanical rotary tuners mostly went out in the late 1960's/early 70's when new TV's were UHF only & had push button tuners, the exceptions were the early Sony KV 1300's & 1800's that had rotary UHF tuners, also some cheap black & white portables had rotary UHF as well... Up until 1955 all TV in Britain was on 5 low band channels & many sets were fixed tuned to one channel, when ITV fired up in 1955 new TV's would have rotary tuners with 5 low band channels (1 to 5) & 8 high band channels. (6 to 13) Some TV's had the channels on the tuner out of sequence, we had a TV were channel 4 (BBC) was next to channel 8, (ITV) on the other side of 8 was 5, also 1 & 9 was next to each other, this was for viewers in London & Belfast where BBC was on channel 1 & ITV on channel 9. The set makers did this so you only had to click once to change from BBC to ITV as they were the only 2 channels you could get back then...
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Here in the US Zenith did something similar in the 1950s with channel arrangement. Any single city would never have stations on adjacent channels so they'd skip every other number then put the skipped numbers on the other half of the dial. Adjacent cities would have adjacent channel numbers so if you lived in the fringe area half way between say Chicago and Milwaukee and could get stations from both cities on a tall antenna with a rotor you could tune through the Chicago half of the dial, rotate the antenna to Milwaukee, tune the Milwaukee half of the dial, rotate back to Chicago and repeat.