Certainly David is correct about what pewter will last. The "better" the
pewter the shorter it will last if not kept correctly.
I will have to research the "catching" degradation from and poor pewter
bobbin. As it stands, I do not see how a poor pewter can infect an intact
pewter. My chemistry was never very good at the best of times! :)
I will have to think who to ask abut this.
----- Original Message -----
From: "Clay Blackwell" <[email protected]>
To: "Brian Lemin" <[email protected]>
Cc: <[email protected]>
Sent: Tuesday, April 07, 2009 2:11 PM
Subject: Re: [lace] Old bobbins ... pewter
Since writing to you about this, I remembered that the 'warning' I had in
my head came from David Springett who said that rotten pewter was pewter
which had too much tin in it, and that a bad bobbin could damage a good
one.
Clay
Brian Lemin wrote:
Although pewter degradation is often talked of in "Human" terms, I am
pretty sure it is not catching! It is a chemical process that starts
when the pewter gets to certain temperature (I wrote an article about it
many years ago but I have forgotten the details!... old age!)
I do remember the story that says that Napoleons army uniforms had pewter
buttons and when the went to Russia in the freezing conditions there, the
buttons disintegrated.
----- Original Message ----- From: "Clay Blackwell"
<[email protected]>
To: "Brian Lemin" <[email protected]>
Cc: <[email protected]>
Sent: Monday, April 06, 2009 4:27 PM
Subject: Re: [lace] Old bobbins
Brian, I've got the "warning" in my head that if we have a "rotten"
pewter bobbin, we should always keep it separate from any other pewter
bobbins as they can contaminate the good pewter. Thoughts?
Clay
Brian Lemin wrote:
The one warning that I would make is regarding bobbins that have pewter
in them. They must not be kept in any place where they might get very
cold. If they do this will accelerate the process of pewter
degradation.
For other bobbins, keep out of direct sunlight.
Avoid damp
Even temperature
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