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Help identifying part

Hi all,

Can someone help in identifying the attached part which is about the size of a CD. It was found near the former Bomb Dump at Seething in Norfolk (home to the 448th Bomb Group). It appears to be calibrated as +/-30 about the centre.

Our initial thoughts are that it is an item used for gun harmonisation but confirmation or otherwise would be very much appreciated

many thanks

John

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By: Whitley_Project - 2nd June 2009 at 20:52

I think you are safe to go with Martin on this.

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By: 12jaguar - 2nd June 2009 at 09:09

Looks very similar to the jacking plate of a BAe 146 used for levelling when raising the a/c on jacks

That mirrors one of the options, but I think it’s unlikely due to the location where it was found, but you never know:confused:

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By: Mudmover - 2nd June 2009 at 08:50

Looks very similar to the jacking plate of a BAe 146 used for levelling when raising the a/c on jacks

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By: 12jaguar - 2nd June 2009 at 08:40

Hi All

The chap who originally raised the question on this part has had a number of options given to him from various sources as follows:

1) A piece from a V-1 that impacted near that area.

2) Something to do with a drift angle computer on board the B-24.

3) A plate used to calibrate the aircraft guns.

4) A plate used with aircraft levelling.

5) Something to do with bomb fusing.

6) Type 2000 V.D.U. screen for `Jostle` airborne jamming.

My view is to agree with Option 6 as put forward by the experts on here. If anyone has a definitive picture of this item in service so that we can put this to bed, it would be very much appreciated.

cheers

John

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By: hindenburg - 6th May 2009 at 00:26

You`re right they normally have a silver layer on the outside,looks like this once had one and its worn off.

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By: smirky - 6th May 2009 at 00:09

Could this be the cathode of a “monoscope tube” which would have been used to generate the fixed pattern on the real screen then?

The rumour was that these were silver (more likely silver-plated though).

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By: hindenburg - 5th May 2009 at 21:46

it`s in a book `Secret Squadrons of the Eighth` will send you a pic when my scanners working.

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By: 12jaguar - 5th May 2009 at 21:21

have you got a link to a good picture Martin? I’ve done a quick Google and couldn’t see anything relevant

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By: hindenburg - 5th May 2009 at 17:56

Type 2000 V.D.U. screen for `Jostle` airbourne jamming.

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By: Rocketeer - 5th May 2009 at 15:57

Hi all,

Can someone help in identifying the attached part which is about the size of a CD. It was found near the former Bomb Dump at Seething in Norfolk (home to the 448th Bomb Group). It appears to be calibrated as +/-30 about the centre.

Our initial thoughts are that it is an item used for gun harmonisation but confirmation or otherwise would be very much appreciated

many thanks

John

part of a cathode ray tube for AI set?

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