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fw: re: is terra sig available commercially or must it always

updated sun 27 mar 05


Vince Pitelka on sat 26 mar 05

be made..

For some reason, when my message appeared on Clayart, two sentences were run
together, corrupting the website address for the hydrometer, so here it is
again. As I said before, be sure to paste in the whole address, including
all the underscored spaces, but with no open spaces. Just in case the same
thing happens, the address is just the portion inside the parentheses -


- Good luck -
- Vince

----- Original Message -----
From: "Vince Pitelka"
Sent: Saturday, March 26, 2005 1:30 PM
Subject: Fw: Re: Is terra sig available commercially or must it always be

> Rob -
> I don't know of any commercial sources of a terra sig that is worth the
> money. You can find my article on terra sigillata at
> This method really is not nearly as complicated as it first sounds, and it
> definitely makes a superior terra sig. If you use this method, you will
> need to purchase a hydrometer that measures specific gravity. You can get
> an excellent one for a very reasonable price at the Sargent Welch website.
> The website follows, and be sure to paste in the whole website with all
> the
> underscores but with no open spaces:
> The one specified "WLS42035-A" is the right one - it has a specific
> gravityrange from 1.000 to 1.2220, which is exactly the range you need for
> terrasig. A normal glaze hydrometer purchased from a ceramic supplier
> does nothave nearly the sensitivity, and will not work well for terra
> sig.As you can see, the price of $10.25 is very reasonable, but
> theseinstruments are very delicate, so I would purchase at least two.
> When Ibought my first glaze hydrometer thirty years ago, I only got one,
> and itbroke on the third or fourth use. I didn't realize how fragile they
> are.Next time I bought two, and had them both for many years.Good luck --
> VinceVince PitelkaAppalachian Center for Craft, Tennessee Technological
> UniversitySmithville TN 37166, 615/597-6801,
> wpitelka@tntech.edu
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