The 1948 Olympics - lecture by Norman Green

[ppppenguin]

https://rts.org.uk/civicrm/mailing/view?reset=1&id=2385

Norman gave this lecture some years ago to the Royal Television Society London Centre. I remember it as interesting and he may now have some new material.

He may also have given it at a BVWS Harpenden meeting. I know I organised a lecture by him many years ago but can't recall what it was about.

PS: It's free of charge. Ignore the bit about card details during registration.

[peter scott]

Thanks Jeffrey, I don't know if I'll be able to watch at the published time but I see they say: "A YouTube link will be emailed to those who sign up in advance on the day."

Peter

[peter scott]

https://fb.watch/v/85Orc-qNc/

[ppppenguin]

Just watched it. A lot of good material though it's not clear how much was new for 2021.
https://www.youtube.com/watch?v=VQrGVzwtFv8

[peter scott]

Lots of images and film that I'd not seen before. Well worth viewing. I particularly liked this photo of the Emitron in a swimming pool. Clearly the camera cables were well insulated as they carry the 350 volt HT and 1500 volt EHT supplies. Norman suggests that the camera team probably felt rather tingly.

   

Peter

[ppppenguin]

I too was horrified by that picture.

[peter scott]

In the telerecording of the opening ceremony Norman tells us that it was from Super Emitron cameras and I thought these were largely free from tilt and bend shading but the extensive sequence appears to have a largely unchanging shading regardless of picture content.

   
   

The Super Emitron image reproduced in Wireless World of the Remembrance Ceremony in Nov 1937 doesn't appear to show the same problem.

   

Peter

[ppppenguin]

The Super Emitron was a high velocity tube and presumably still had tilt and bend problems. It was an ordinary Emitron with an image section on the front. Tilt and bend were resolved on the CPS Emitron which was a low velocity tube.