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Old 10th May 2021, 11:32 am   #1
Flyingjock
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Default Unknown items. Value?

Hi.

I have two radio (looking) items, first I would like to know what they are and secondly what are they worth.

Thanks.
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Old 10th May 2021, 1:06 pm   #2
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Default Re: Unknown items. Value?

It's a variable capacitor in a nice-looking box. Translating the label gives 290pF to 690pF

It's not something that's really needed, more of an ornament now. It doesn't have a renowned maker's name on it like Sullivan or General Radio, so it's not a high precision one.

I've seen people pick this sort of thing up for a few quid at radio rallies - Like the main Scottish annual one that happens (in normal years) in the big shopping mall at Barrhead of all places!

What it would fetch in an antiques shop setting, I haven't a clue. It hasn't got the intricacy and acreage of brass of an old chemical balance or microscope but the box is nice.

Oh, and welcome!

David
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Old 10th May 2021, 2:19 pm   #3
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Default Re: Unknown items. Value?

Looks almost too new to be old.

Unless it's my eyes there looks to be a circular stamp/logo on the lid.

I wonder why the gubbins is fitted anti-convention?

Lawrence.
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Old 10th May 2021, 3:58 pm   #4
turretslug
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Default Re: Unknown items. Value?

Agreed- somehow it doesn't seem authentically period, though that doesn't mean that it wouldn't be of use. As said, not of great value but some'll give a few bob for it,

Colin
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Old 10th May 2021, 4:48 pm   #5
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Default Re: Unknown items. Value?

Perhaps a restorer refitted the 'gubbins' upside down although the label suggests somewhere along the way someone knew something about its use. Peter.
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Old 10th May 2021, 5:37 pm   #6
Dave Moll
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Default Re: Unknown items. Value?

Quote:
Originally Posted by peterpixel View Post
Perhaps a restorer refitted the 'gubbins' upside down
That might be difficult given the positioning of the screws.
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Old 10th May 2021, 5:46 pm   #7
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Default Re: Unknown items. Value?

Quote:
Originally Posted by ms660 View Post
Looks almost too new to be old.

Unless it's my eyes there looks to be a circular stamp/logo on the lid.

I wonder why the gubbins is fitted anti-convention?

Lawrence.
Yes. Looks like G17 and then a 2 in the centre ?

Aub
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Old 10th May 2021, 8:07 pm   #8
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Default Re: Unknown items. Value?

Worth a fiver as part of an enthusiasts display, if I came across one I would spend said sum.
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Old 10th May 2021, 8:21 pm   #9
Reelman
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Default Re: Unknown items. Value?

Could make a nice “period” Crystal set out of that. At least that is what I would do....
Peter
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Old 11th May 2021, 10:30 am   #10
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Default Re: Unknown items. Value?

...and note that no-one makes boxes that well any more! decent wood, probably good joints and a 'hinge for life'.

Dave
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Old 11th May 2021, 10:35 am   #11
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Default Re: Unknown items. Value?

Quote:
Originally Posted by The Philpott View Post
...and note that no-one makes boxes that well any more!
Oh? David G4EBT of this very forum?

David
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Old 11th May 2021, 10:47 am   #12
Flyingjock
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Default Re: Unknown items. Value?

Thanks for all your replies, any idea of what this is
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Old 11th May 2021, 11:01 am   #13
Flyingjock
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Default Re: Unknown items. Value?

I also have a AR 5001D unboxed, used condition but clean, just the unit itself & power cable, not sure of the value of this if anybody can help, maybe not quite vintage but I have no idea realy what it is & would appreciate any input.
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Old 11th May 2021, 11:08 am   #14
Simon Gittins
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Default Re: Unknown items. Value?

Looks like a Resistance Box; a set of precision resistors that were used for comparison tests. If you connect a modern DVM on resistance range between the two bars at the front you should see a reading close to zero ohms, removing the "5" plug should then show 5 ohms etc.
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Old 11th May 2021, 11:09 am   #15
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Default Re: Unknown items. Value?

Post office box, or Wheatstone bridge, used with a Galvanometer to measure resistance.
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Old 11th May 2021, 11:20 am   #16
Flyingjock
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Default Re: Unknown items. Value?

Again thanks for your replies, it’s all new knowledge to me
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Old 12th May 2021, 6:48 pm   #17
The Philpott
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Default Re: Unknown items. Value?

Post 10 & 11 I was yearning for a time when such quality was commercially available David, but point taken-admittedly i had forgotten David's creations.
Dave

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Old 12th May 2021, 8:25 pm   #18
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Default Re: Unknown items. Value?

The AR5001 could be worth a nice sum if it's working. Have a search on EPay and you might find what others are expecting them to sell for - that might give you a guide but don't take it as gospel! If you are interested in Ham radio or SWLing you may want to keep it - AOR are not as good recently as they were 20-odd years ago as many reviewers will say. I had an AR2002 which just suddenly went deaf and there was no way I could find the reason - I sold it for a pittance locally to a guy whose 2002 had a dodgy display.
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