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billyg
07-14-2002, 04:16 PM
And the canvas was first painted with "Red Bole" prior to the sketch and underpainting being done. Anyone tell me what "Red Bole" is ?.
Billyg.
:D :confused:

Einion
07-14-2002, 08:32 PM
A red clay pigment - it's what you see exposed on old gilded frames when the leafing has worn away. Although it's still used in gilding it's not really used any more in painting, can't recall why, but any of the opaque red earths will approximate its hue.

Einion

billyg
07-17-2002, 05:10 AM
Thanks Einion,
Tom Keating mentions it in one of his painting demo videos ( Constable) and I was curious having not heard it before.
Billyg. :D

cobalt fingers
07-17-2002, 02:26 PM
underpainting with bole sounds really unsound to me. It must be mixed with something or he's referring to the color. It's just clay and must be part of something else.

Valentino
10-02-2003, 12:20 PM
According to the book Techniques of the World's Great Painters (http://www.amazon.com/exec/obidos/tg/detail/-/0890093687/qid=1065111763/sr=8-1/ref=sr_8_1/102-8198832-6101730?v=glance&s=books&n=507846) gothic painters (Duccio, for instance) who worked with tempera on a wooden panel, applied several layers of red bole on the background areas of the painting (around the figure/s). Those layers served as a preparatory coat for subsequent gilding with golden leaves.

Those layers were, of course applied atop the gesso (real gypsium + animal glue) primer.