Re: [h-cost] Out of Office

2008-10-22 Thread mmbennett
I will be out of the office at the LDI show from October 21st through October 
27th. I will be checking email periodically. If you need to reach me about the 
exams at LDI please call my cell phone at 646-732-0176. 


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[h-cost] cleaning question

2008-10-22 Thread Sharon Collier
On the cloth of gold thread, Bess mentioned cloth of silver. I have a small
piece (about 1 yard square), but it is tarnished where it was exposed to the
air when folded. Any ideas on how to remove the tarnish from the silver
without harming the silk?
Sharon C.
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Re: [h-cost] cleaning question

2008-10-22 Thread 00217146


I'm wearing two hats here.

1. I've dabbled in silversmithing
2. I'm working on a degree in textiles.

One way to clean oxidization off of silver jewelry is to soak it in a  
solution called pickle, usually a weak acid, usually heated.  Some  
people use vinegar.


Protein fibers are damaged by basic solutions, but are slightly  
strengthened by weak acids.  Vinegar is frequently used to set acid  
dyes (used with protein fibers), usually in a hot dyebath.


If you make a vinegar-water solution and heat it up, keeping it below  
a simmer, and immerse and soak your cloth of silver in it, that  
*should* do the trick.  It won't be instantaneous, it may take half an  
hour or more.


Emma


On the cloth of gold thread, Bess mentioned cloth of silver. I have a small
piece (about 1 yard square), but it is tarnished where it was exposed to the
air when folded. Any ideas on how to remove the tarnish from the silver
without harming the silk?
Sharon C.
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Re: [h-cost] cleaning question

2008-10-22 Thread cw15147-hcost00
Baking soda? I've used baking soda paste (half baking soda, half water) to get 
tarnish off of silver jewelry. I don't know how silk reacts to baking soda, 
though.




- Original Message 
From: Sharon Collier [EMAIL PROTECTED]
To: Historical Costume [EMAIL PROTECTED]
Sent: Wednesday, October 22, 2008 6:33:22 PM
Subject: [h-cost] cleaning question

On the cloth of gold thread, Bess mentioned cloth of silver. I have a small
piece (about 1 yard square), but it is tarnished where it was exposed to the
air when folded. Any ideas on how to remove the tarnish from the silver
without harming the silk?
Sharon C.
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Re: [h-cost] cleaning question

2008-10-22 Thread Sharon Collier
Thanks, I didn't know that about basic harming protein fibers. Aren't most
detergents/soaps basic? 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Wednesday, October 22, 2008 7:00 PM
To: Historical Costume
Subject: Re: [h-cost] cleaning question


I'm wearing two hats here.

1. I've dabbled in silversmithing
2. I'm working on a degree in textiles.

One way to clean oxidization off of silver jewelry is to soak it in a
solution called pickle, usually a weak acid, usually heated.  Some people
use vinegar.

Protein fibers are damaged by basic solutions, but are slightly strengthened
by weak acids.  Vinegar is frequently used to set acid dyes (used with
protein fibers), usually in a hot dyebath.

If you make a vinegar-water solution and heat it up, keeping it below a
simmer, and immerse and soak your cloth of silver in it, that
*should* do the trick.  It won't be instantaneous, it may take half an hour
or more.

Emma

 On the cloth of gold thread, Bess mentioned cloth of silver. I have a 
 small piece (about 1 yard square), but it is tarnished where it was 
 exposed to the air when folded. Any ideas on how to remove the tarnish 
 from the silver without harming the silk?
 Sharon C.
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Re: [h-cost] cleaning question

2008-10-22 Thread 00217146


Yup.

But a mild base isn't going to do a huge amount of damage.  I wouldn't  
worry about it, honestly.  If your silk is so fragile that soap is  
going to break it down significantly, you probably shouldn't be  
washing it, anyway.


I have heard something about saris being given a final vinegar rinse  
to counteract the soap after being washed, it has never been clear to  
me whether that was to strengthen the fiber or to re-set the dye.


If you're feeling paranoid, tear-free shampoos tend to be neutral or  
nearly neutral pH.


Emma

Quoting Sharon Collier [EMAIL PROTECTED]:


Thanks, I didn't know that about basic harming protein fibers. Aren't most
detergents/soaps basic?



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Re: [h-cost] cleaning question

2008-10-22 Thread 00217146


This, by the way, is why you should never, never bleach silk.  A small  
vial of bleach is a handy way to distinguish silk from synthetic  
fibers, though.  Silk (or wool) will dissolve completely.


Emma

Quoting Sharon Collier [EMAIL PROTECTED]:


Thanks, I didn't know that about basic harming protein fibers. Aren't most
detergents/soaps basic?






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Re: [h-cost] cleaning question

2008-10-22 Thread Ann Catelli

Most soaps aren't terribly basic, not like a mineral base--NaOH (lye, caustic, 
etc.) or CaOH (active ingredient in Nair c) around pH 14.

I have dry skin, and Ivory is too basic for me to use at pH 9.5, because it's 
not superfatted, but that's not a protein reaction. ;)

Detergents can be acidic or basic, depending on what is to be cleaned out of 
what.  

Both soaps  detergents are surfactants.

Ann in CT

--- On Wed, 10/22/08, Sharon Collier [EMAIL PROTECTED] wrote:

 Thanks, I didn't know that about basic harming protein
 fibers. Aren't most
 detergents/soaps basic? 
 
 -Original Message-
 From: [EMAIL PROTECTED]
 Subject: Re: [h-cost] cleaning question
 
 
 I'm wearing two hats here.
 
 1. I've dabbled in silversmithing
 2. I'm working on a degree in textiles.
 
 One way to clean oxidization off of silver jewelry is to
 soak it in a
 solution called pickle, usually a weak acid,
 usually heated.  Some people
 use vinegar.
 
 Protein fibers are damaged by basic solutions, but are
 slightly strengthened
 by weak acids.  Vinegar is frequently used to set acid dyes
 (used with
 protein fibers), usually in a hot dyebath.
 
 If you make a vinegar-water solution and heat it up,
 keeping it below a
 simmer, and immerse and soak your cloth of silver in it,
 that
 *should* do the trick.  It won't be instantaneous, it
 may take half an hour
 or more.
 
 Emma
 
  On the cloth of gold thread, Bess mentioned cloth of
 silver. I have a 
  small piece (about 1 yard square), but it is tarnished
 where it was 
  exposed to the air when folded. Any ideas on how to
 remove the tarnish 
  from the silver without harming the silk?
  Sharon C.


  
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[h-cost] Hat question 19th century

2008-10-22 Thread Elizabeth Walpole
Hi everyone, a friend is interested in the 'bonnet' on this page
http://www.hatsupply.com/dressup_hats.htm (about half way down black and
white photos) For Regency era wear to my eye it doesn't look like the right
shape, but I can't claim to be much of a Regency era expert and there was a
lot of variation between the 1790s and 1820s. What do you think?
Elizabeth

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