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rjlittlefield Site Admin

Joined: 01 Aug 2006 Posts: 12705 Location: Richland, Washington State, USA
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Posted: Thu Feb 02, 2012 11:35 pm Post subject: Mouth of the dragon's lair (the secret revealed) |
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Anybody want to take a guess what this really is?
Hint: field width about 15 mm.
--Rik
Edit: title
Last edited by rjlittlefield on Sun Feb 05, 2012 11:36 pm; edited 2 times in total |
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Cactusdave

Joined: 09 Jun 2009 Posts: 966 Location: Bromley, Kent, UK
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Posted: Fri Feb 03, 2012 1:10 am Post subject: |
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I suspect this is mineral, rather than animal or vegetable. _________________ Leitz Ortholux 1, Zeiss standard, Nikon Diaphot inverted, Canon photographic gear |
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shrek
Joined: 01 Nov 2009 Posts: 89 Location: Toulouse (France)
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Posted: Fri Feb 03, 2012 2:06 am Post subject: |
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Tree of nickel déposit ?
jp |
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JW
Joined: 23 Feb 2011 Posts: 114 Location: New Haven, CT, USA
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Posted: Fri Feb 03, 2012 8:20 am Post subject: |
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Some type of light bulb filament _________________ "Okay, boys, let's take some pictures." - Airplane! (the movie) |
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Saul

Joined: 31 Jan 2011 Posts: 141 Location: Naperville, IL USA
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Posted: Fri Feb 03, 2012 8:42 am Post subject: |
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| Cracked leaking pipe, somebody tried to fix it by welding, but unsuccessfully... |
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Planapo Site Admin

Joined: 07 Nov 2006 Posts: 1427 Location: Germany, in the United States of Europe
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Posted: Fri Feb 03, 2012 9:43 am Post subject: |
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A twig or root of a plant that was injured and resin has seeped out from the injury and hardened. This resin ridge, partly amber-like and translucent in appearance, bears the "mouth of the dragon's liar".
Or is that grey stuff on my "twig" mortar/concrete?
--Betty |
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rjlittlefield Site Admin

Joined: 01 Aug 2006 Posts: 12705 Location: Richland, Washington State, USA
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Posted: Fri Feb 03, 2012 10:34 am Post subject: |
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I swear, it is the lair of the Dragon! I have seen with my own eyes the creature's fiery breath!!
--Rik |
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Charles Krebs

Joined: 01 Aug 2006 Posts: 4112 Location: Issaquah, WA USA
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Posted: Fri Feb 03, 2012 11:09 am Post subject: |
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Looks like an orifice or unintended hole in a natural gas pipe that has collected combustion deposits around the opening. That would fit with the "fiery breath" that was observed, but what appliance, device it goes with/to...???? _________________ http://www.krebsmicro.com |
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Pau

Joined: 20 Jan 2010 Posts: 1351 Location: Valencia, Spain
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Posted: Fri Feb 03, 2012 11:41 am Post subject: |
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| Charles Krebs wrote: | | Looks like an orifice or unintended hole in a natural gas pipe that has collected combustion deposits around the opening. That would fit with the "fiery breath" that was observed, but what appliance, device it goes with/to...???? |
Well, following with the Charles combustion pipe hypothesis, according Betty resin idea, and in winter time...
...perhaps you are burning wood at home and the resin and gaz escapes from the wood when it is heavily heated (with orange tree and other woods it works) _________________ Pau |
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rjlittlefield Site Admin

Joined: 01 Aug 2006 Posts: 12705 Location: Richland, Washington State, USA
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Posted: Fri Feb 03, 2012 12:00 pm Post subject: |
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In this case there was no participation by natural gas, wood, or other combustible organics. I'm not sure to what extent oxidation was involved in the "fiery breath" that I saw.
--Rik |
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Charles Krebs

Joined: 01 Aug 2006 Posts: 4112 Location: Issaquah, WA USA
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Posted: Fri Feb 03, 2012 1:32 pm Post subject: |
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OK then... an electric heating coil or element of some type (but what? )
If the field width is about 15mm that would make the diameter of the part about 6-7mm. Perhaps about right for an electric oven element, but far too "messy" and...
| Quote: | | no participation by natural gas, wood, or other combustible organics |
How about the heating element from an old hot water heater? Don't know how you would have seen fiery breath (steam?) but you do some strange things Rik...  _________________ http://www.krebsmicro.com |
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rjlittlefield Site Admin

Joined: 01 Aug 2006 Posts: 12705 Location: Richland, Washington State, USA
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Posted: Fri Feb 03, 2012 2:48 pm Post subject: |
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I measure about 7.6 mm.
While I admit to doing some strange things, pressurized hot water snorkling is not one of them.
So nope, not a water heater. Not even some bizarre experiment involving a water heater. Good idea, though!
--Rik |
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Saul

Joined: 31 Jan 2011 Posts: 141 Location: Naperville, IL USA
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Posted: Fri Feb 03, 2012 2:51 pm Post subject: |
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| AC pipe ? |
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nucleobyte

Joined: 22 Aug 2010 Posts: 30 Location: Virginia, USA
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Posted: Fri Feb 03, 2012 9:09 pm Post subject: |
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| Flux coated welding/brazing rod. |
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rjlittlefield Site Admin

Joined: 01 Aug 2006 Posts: 12705 Location: Richland, Washington State, USA
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Posted: Sat Feb 04, 2012 9:45 am Post subject: |
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| rjlittlefield wrote: | | While I admit to doing some strange things, pressurized hot water snorkling is not one of them. |
In fact I was stirring a pot of soup at the time... (Some of the previous guesses are getting quite close. )
Here's a closer view, by the way. This was shot with a Nikon CFI BE Plan Achromat 4X NA 0.10, using EOS Utility to step focus on the tube lens. Illuminated by a desk lamp, shot with EFSC to avoid vibration blur.
--Rik
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