Going Down


Photo Information
The moon on 31.12.2012.

The construction/metal poles in the Trondheimsfjord is something that has intrigued me for a long time, and is included in many of my photos. Recently I learned that also this is a remnant from WW2. The German occupation forces built a de-magnitazion construction to de-magnitize ships and boats so that they would become less prone to attract a certain kind of floating mine. I believe they also calibrated the navigation equipment onboard with the same system. During WW2 there were metal plates along the seabed from the shore out to a control house that was built on these poles. High voltage electricity was connected to the metal plates, and boats and ships passed over the plates in order to be de-magnetized.
21/01/2014 - 17:53bjolester
CategoryLandscape / Travel
Shutter Speed1/80
Aperturef/4.5
LensN/A
ISO100
Focal Length300mm
Views/Likes109/2

bwlchmawr

Link Posted 21/01/2014 - 18:03
A similar process was used by the Royal Navy during the war. A cable was fixed around the ship's hull and a current passed through it. The magnetism foiled the German's magnetic mines.

As my son says: every day a school day.

The picture is wonderful.
Best wishes,

Andrew

"These places mean something and it's the job of a photographer to figure-out what the hell it is."
Robert Adams
"The camera doesn't make a bit of difference.  All of them can record what you are seeing.  But, you have to SEE."
Ernst Hass
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Last Edited by bwlchmawr on 21/01/2014 - 18:04

Pjy123

Link Posted 21/01/2014 - 18:23
What a lovely picture.

senn

Link Posted 21/01/2014 - 18:36
marvellous view and stunning history Bjørn
senn
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alfpics

Link Posted 21/01/2014 - 18:40
senn wrote:
marvellous view and stunning history Bjørn

Yes - I agree
Andy

coker

Link Posted 21/01/2014 - 18:43
De-Gaussing, I think it was called.....

Roger.
The more I look, the more there is to see!

GIULIO57

Link Posted 21/01/2014 - 19:03
A superb and eyecatching capture. Interesting lesson of Physics and War...but I do prefer former
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tyronet2000

Link Posted 21/01/2014 - 22:45
coker wrote:
De-Gaussing, I think it was called.....

Roger.

Yes it was.

Always thought Norway a beautiful country and your photographs do it justice
Regards
Stan

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davidstorm

Link Posted 21/01/2014 - 23:57
A lovely shot, this really stands out to me.

Regards
David
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bjolester

Link Posted 22/01/2014 - 13:36
Thank you all for taking time to comment on my photo! Much appreciated.

It is interesting to hear that similar technology was used by the Royal Navy during WW2. I googled "De-Gaussing", and there is interesting material about this on the Internet. Thanks coker for supplying the correct term for this "un-magnitizing" practice.

Best regards
Bjørn
Bjørn

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autumnlight

Link Posted 22/01/2014 - 16:41
Interesting info and what a wonderful shot.
Kind regards Maria

https://www.facebook.com/pages/Maria-Gray-photography/589310071158079?ref=hl

bjolester

Link Posted 22/01/2014 - 17:09
Thank you Maria!

Best regards
Bjørn
Bjørn

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Gary_Baldy

Link Posted 22/01/2014 - 21:33
Absolutely fascinating to read and a stunning image as well!
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Russ

Link Posted 23/01/2014 - 12:25
Superb photo Bjorn and a great bit of history learnt too. Very handy WW2 leaving behind all these interesting structures for us to photograph. We have a fair few around the south coast.

bjolester

Link Posted 23/01/2014 - 14:22
Thank you Ian and Russ!

Russ wrote:
Superb photo Bjorn and a great bit of history learnt too. Very handy WW2 leaving behind all these interesting structures for us to photograph. We have a fair few around the south coast.

I can image that you have quite a few structures left behind from WW2 in the UK. I have always been interested in WW2 history, and fortunatly many of these structures also represent good photographic motives.

Regards
Bjørn
Bjørn

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davidtrout

Link Posted 23/01/2014 - 16:46
Lovely image and a fascinating historical background.
David

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bjolester

Link Posted 27/01/2014 - 10:48
Thank you David!

Regards
Bjørn
Bjørn

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