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Aging Brass: Cow Poop vs. Horse Doo-Doo

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betajet
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CEO
Not an Aggie joke
betajet   8/27/2014 9:33:49 AM
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A long time ago I read that Texas A&M used cow manure to age a new brick building so it would fit in with the others.  The technique was called "animal patina" IIRC.

antedeluvian
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Blogger
Tanning
antedeluvian   8/27/2014 10:14:31 AM
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Max

In ye olden times (and in 3rd world countries) tanning a hide to make leather used dung, urine, cow brains etc. and it sounds a bit like the process you have just followed. So perhaps modern tanning techniques would age the brass as well. I found this crowd (with an outlet in Hunstville).

Just a thought.

dt_hayden
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CEO
Wow
dt_hayden   8/27/2014 10:30:54 AM
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Your level of commitment to detail is commendable.

zeeglen
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Llama dung
zeeglen   8/27/2014 11:17:35 AM
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Max, would be interesting to experiment with llama dung on brass.  Google "Llama dung leather" to see other uses :>}

Rcurl
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Rookie
Very scientific
Rcurl   8/27/2014 2:11:26 PM
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I like the scientific way you went about ths!

I think it may have been me who mentioned the Imagineers' method of aging brass.  I have scoured the Internet, but I have not been able to find any references to the recipe. My vague recollection is that in addition to cow poo it included straw, vinegar, and molasses.  I could be wrong abnout the other ingredients- it's been many years since I got the tour of the "underside" of Epcot Center. 

antedeluvian
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Blogger
More chemicals
antedeluvian   8/27/2014 2:57:37 PM
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Found this-

http://www.squidoo.com/oxidizecopperbrass

One of the options uses a product called "Black Max". Destiny!

perl_geek
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Freelancer
Steampunk
perl_geek   8/27/2014 4:32:38 PM
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This sounds like a problem the steampunk community and its suppliers must have faced regularly. It might be worth researching their results.

 

P.S. Is it unreasonable to expect that clicking on "Post a comment" at the top of the article, or "COMMENT" at the bottom might bring up this panel?

Neither seems to have any effect; the only way to enter a comment is by clickling on "Reply" in someone else's post.

Sheetal.Pandey
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Manager
Re: Steampunk
Sheetal.Pandey   8/28/2014 3:16:08 AM
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I can understand the smells you are talkign about. I do composting of kitchen waste at home so can figure out. Yes cow dung is extremely rich in so many minerals. Dried cowdung is used as fuel in many parts of India. Comingto the aging of brass, the pictures you have put looks like a piece of art. Where are you going to use them...I mean why would you age the brass.

prabhakar_deosthali
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CEO
Re: an Idea
prabhakar_deosthali   8/28/2014 5:00:14 AM
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The best way to age it could be just leaving it in your open backyard space for a couple of months - the atmospheric dust, sunlight , rain and the pollution of the vehicles will do the necessary.

 

How about attaching those brass plates on your car so as to face the car exhaust?

Rcurl
User Rank
Rookie
Re: Steampunk
Rcurl   8/28/2014 8:59:48 AM
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@Perl_geek: P.S. Is it unreasonable to expect that clicking on "Post a comment" at the top of the article, or "COMMENT" at the bottom might bring up this panel?

Neither seems to have any effect; the only way to enter a comment is by clickling on "Reply" in someone else's post.

Thanks for mentioning that.  I had noticed the same thing, but I thought it was just me.

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