[TheForge] copper patina

[Steve Smith]

Well Don, I thought I could jot a couple down for you, but under Brown, 
my book lists 53 recipes. This is just Brown, you understand, not Red, 
Black, Green or Lustre. They're sorted by what kind of brown, dark 
reddish brown, light brown bronzing, orange brown, mid brown, pink etc. 
Probably way overkill for what you're after. If you want to dig in, let 
me know.

The book is:
The Colouring, Bronzing and Patination of Metals
by Richard Hughes and Michael Rowe
Thames and Hudson (who have a whole lot of interesting books)
Note: iron is not on the list of metals, strictly non-ferrous, copper, 
brass, bronze, silver.

Steve

PlumDon at aol.com wrote:
> I know we have been here before but cant seem to find my notes on it. 
>  
> Can anyone recommend a technique for putting an aged patina on copper?  
> Looking more for the brownish, rust color of an old penny rather than  verdigris. 
> Any ideas much appreciated. 
>  
> Re last weeks question regarding forging copper I have found the more pure  
> the copper the better to forge. I annealed at a just red heat and cooled in  
> water for the thinner stock. Heavier stock worked great from low red to cool and 
>  hard to shape. 
>  
> Kindest thanks
> Don Plummer
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