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Henry,
Try Venetian red, Indian red, or red ochre.
It was a red iron oxide pigment if I remember correctly. One recipe calls for 3
g. Venetian red powder to 1/2 oz. gum. Another calls for a pigment called "light
red" which I know was available about 10 yr ago anyway. But Venetian Red
is a nice brick-y color that you'd be happy with. My notes say this: "For
instance, a Venetian red or red ochre color was used to approximate the
rust colored conte crayon portraits."
Chris
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----- Original Message -----
Sent: Friday, May 22, 2009 4:45 PM
Subject: Demachy and red chalk
Recent discussion of Michallet paper prompted me to
get a facsimile copy of Maskell and Demachy’s “Photo-Aquatint” paper. They
recommend a number of pigments for gum printing, Most of the colours/pigments
they mention are familiar, but second on their list of the most suitable,
after venetian red, comes red chalk. I looked this up on the Web, but only
found such things as red chalk drawings by (e.g.) da Vinci.
Does anyone
know anything about red chalk? Hilary Page doesn’t seem to mention it in her
lists of proprietary watercolours, nor is it in Cornelissen’s catalogue of
pigments.
Best
Henry
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