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Wirral Archives #824074
12th Sep 2013 10:04am
12th Sep 2013 10:04am
Joined: Oct 2008
Posts: 5,063
Birkenhead
derekdwc Online content OP
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derekdwc  Online Content OP
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Posts: 5,063
Birkenhead
Went on the tour and found it was a lot bigger than I would have thought.
Near to closing time I was shown some great maps (1875) roughly 4ft x 4ft which were similar to 1st pic but of other parts of Birkenhead which I would love to have a digital copy of.
I think there were 85 rows of info + lots of map cases in the temperature controlled rooms and the cylinders for fire control which would immediately starve the fire of oxygen but have still been breathable.

Attached Files
S1055890 [1600x1200].JPG (189 downloads)
map in the corridor to archives
archives1 [1600x1200].JPG (188 downloads)
archives2 [1600x1200].JPG (188 downloads)
archives3 [1600x1200].JPG (189 downloads)
archives4 [1600x1200].JPG (188 downloads)
Last edited by derekdwc; 12th Sep 2013 10:05am.
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Re: Wirral Archives [Re: derekdwc] #824105
12th Sep 2013 1:05pm
12th Sep 2013 1:05pm
Joined: Oct 2007
Posts: 4,868
shropshire
chriskay Offline
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chriskay  Offline
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Posts: 4,868
shropshire
Interesting, Derek; wish I'd gone. According to the light green colour coding on the gas cylinders, they contain an inert gas, probably neon, krypton or xenon, (but not argon which is dark green). As to whether the atmosphere flooded with one of these gases would remain breathable, I have my doubts, since the purpose is to remove oxygen.


Carpe diem.
Re: Wirral Archives [Re: derekdwc] #824116
12th Sep 2013 2:20pm
12th Sep 2013 2:20pm
Joined: Aug 2008
Posts: 19,446
Here.
RUDEBOX Offline
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RUDEBOX  Offline
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Here.
Great pics Degs. Glad you enjoyed it.


Mia Mabel

Ohhhhhhhhhhhhh! Jer-e-my Cor-byn

Re: Wirral Archives [Re: derekdwc] #824117
12th Sep 2013 2:21pm
12th Sep 2013 2:21pm
Joined: May 2009
Posts: 336
Thingwall
B
bigpete Offline
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bigpete  Offline
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B
Joined: May 2009
Posts: 336
Thingwall
The old Halon gases - extinguished everything including human life.
Has been replaced throughout EU now by inert gases - mainly because some idiots in Computer Mainframe/Server rooms decided to ignore a fire alert and got 'extinguished' themselves !!!!

Re: Wirral Archives [Re: derekdwc] #824124
12th Sep 2013 2:53pm
12th Sep 2013 2:53pm
Joined: Jun 2012
Posts: 6,627
wirral
M
missmahjong Online content
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missmahjong  Online Content
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M
Joined: Jun 2012
Posts: 6,627
wirral
derek glad you enjoyed it ,great photos...

Re: Wirral Archives [Re: chriskay] #824185
12th Sep 2013 5:28pm
12th Sep 2013 5:28pm
Joined: Mar 2009
Posts: 472
Pensby
M
marty99fred Offline

Smartchild
marty99fred  Offline

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Pensby
The cylinders contain Inergen, a mixture of 52% nitrogen, 40% argon, and 8% carbon dioxide. The amount present has been carefully calculated to lower the concentration of oxygen in the storage halls to a point that cannot support combustion, but is still perfectly breathable by humans - though, quite frankly, I'd rather not be around to test that theory if they ever go off.

Re: Wirral Archives [Re: marty99fred] #824275
12th Sep 2013 9:18pm
12th Sep 2013 9:18pm
Joined: Oct 2007
Posts: 4,868
shropshire
chriskay Offline
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chriskay  Offline
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Posts: 4,868
shropshire
Thanks for the definitive answer, marty99fred. Since, because of a lung condition, I can only just manage on the natural air content of about 21% oxygen I'm sure I'd have problems in an Inergen atmosphere.


Carpe diem.
Re: Wirral Archives [Re: derekdwc] #824312
13th Sep 2013 7:09am
13th Sep 2013 7:09am
Joined: Apr 2009
Posts: 1,426
New Brighton
Tatey Online Reading
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Tatey  Online Reading
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New Brighton
I believe that the Yanks were buying up all the surplus Argon for use in their fighter planes as it does no damage to the electronics.


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