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cennini21
SYLVANA BARRETT/ an online guide to historic art materials and techniques
cennini21 HOMEGILDINGMANUSCRIPT ILLUMINATIONSILVERPOINTEGG TEMPERADISTEMPER (UNDER CONSTRUCTION)17th CENTURY OIL TECHNIQUEFRESCOHISTORIC PIGMENTSPAINT GESSO GROUNDS - SIZING - GLUES
EGG TEMPERA PAINT
MANUSCRIPT ILLUMINATION
OIL (UNDER CONSTRUCTION)
DISTEMPER / CASEIN / OTHERS (UNDER CONSTRUCTION0)
FRESCO


MANUSCRIPT ILLUMINATION

Paint is made by combining dry ground pigment with a binder suitable to the purpose of the artist. 
Paints for illumination are of two varieties. One made with a binder of plant gum the other with a binder of egg 
white glair. these may be used individually or together in any combination. The binders gum and glair are very 
meager, this is an advantage for illuminations as paint will not be sticky or soft and pages will not rub or 
stick to each other. These binders are also a bit brittle which is a disadvantage on flexible supports such as paper 
and parchment. To compensate for this problem, and to avoid any flaking off of paint sugar or honey, both hygroscopic 
agents, are traditinoannaly added to the paint.


BINDERS

Gum Solution for paint preparation

 Materials: Gum Arabic pieces, Sugar or honey, Water

1. Crush lumps of gum into crystals

2. Add 1 part crushed Gum Arabic to 2 parts water and ¼ part sugar or honey

3. let sit over night

4. Strain through cheese cloth

Modern alternative: Commercially available powdered gum arabic, sugar or honey, water

1. add 1 part powdered gum arabic to 4 parts water.

2. Let sit over night

3. Strain and use 

 

Glair

 Materials: Egg whites

1. Beat egg whites to stiff peaks (as if making Meringue)

2. Let sit over night

3. Yellow liquid will have separated out, this is the glair, (discard the spent whites.)

 

PAINT MAKING 

Pigment Paste

      Materials: Dry ground artist’s pigment, water

1. Add small amount of water to pigment, mix or grind in mortar with pestle to form a smooth grit free paste, (it can be loose or  

      stiff it does not really matter you just want to prepare the pigment to accept the 

      binder and to settle it together so that you can measure it easily.)

2. May be stored indefinitely in closed containers for future use, (float a little water 

      over top of pigment paste to keep it from drying out.)

 

Paint for illuminating

       Materials: Pigments, binders (gum or glair), water

1. Prepare pigment paste

2. Mix together well equal parts pigment paste and binder. Be sure no lumps or grit of any kind remain!

3. It will be a liquid paint which should brush out easily and cleanly without any lumps or grit. It should dry quickly.

4.   Gum paints can be allowed to dry out and reconstituted at any time with water.

 

 

cennini21 HOMEGILDINGMANUSCRIPT ILLUMINATIONSILVERPOINTEGG TEMPERADISTEMPER (UNDER CONSTRUCTION)17th CENTURY OIL TECHNIQUEFRESCOHISTORIC PIGMENTSPAINT GESSO GROUNDS - SIZING - GLUES