From: Randall Webb (randall.webb@lineone.net)
Date: 03/24/01-01:13:44 AM Z
> Now, Spirit of Salts (thanks Randall): (silly me: I own two copies,
> not knowing before ordering that the same book is titled differently in
> different countries): same formula for the chemicals, except this one
> allows the normal hydrogen peroxide available in drugstores. The
difference
> in process is to use a lith film positive with just two tones, which the
> other two sources don't suggest. Rubbing takes place under the copper
> chloride solution. Only one to explain what actually takes place, which
is
> the black parts of the image have been removed, the white parts of the
image
> are etched and leave a fine rough surface onto which the dyes adhere. Rub
> the dye onto the surface of the print with cotton balls, after etching.
Thanks for the vote of confidence by buying both editions of our book
Christina! The French edition will be out shortly. We hope you will then
have a set of three!
Also watch this space for news of the Albanian, the Maltese and the Sanskrit
versions.
Randall Webb
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