Dirty TV screens

Submitted by Member: Nuvistor

 

When the direct view Mullard Panorama CRT’s were introduced around 1965 they quickly attracted dirt to the screen. The owners cleaned the screens but like windows didn’t get into the corners.

More than one occasion I had to go on a call to confirm to the embarrassed owner it just needed cleaning and not faulty under guarantee.

The first CRT’s of this type had to have a mask to cover the metal band, the mask got very dirty as well and of course we had lots of open coal fires in living rooms which didn’t help.

I think the first Panorama CRT’s I saw were in the Bush TV135U television, A47-18W.

Example in this thread https://www.radios-tv.co.uk/community/black-white-tvs/bush-tv135lu/paged/4/

2 thoughts on “Dirty TV screens

  1. Many years ago I called at a house where the customers were very heavy smokers. We had the tv in the workshop for the repair and cleaned half the screen. The set was returned to the customer without any comment.About a year later we had another call on the set, the screen was still in the half cleaned state.

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