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Black Card Stock: Pasteboard Coated with Lampblack
Black card shows up a pale deposit that would vanish on white card. Lampblack, the soot of oil lamps, is a deep black pigment because it reflects almost no light. Grind it into a thin warm glue size, brush two even coats on pasteboard, and press the cards flat as they dry.
The picture: our diagram, the same pale deposit on white card and on black card.
Beginner
A day, mostly drying
Instructions
1
1
Make the size
Make the size
Soak a little hide glue in water, then warm it in the double boiler until it is a thin liquid.
Materials for this step:
Hide Glue20 g
Water0.4 literTools needed:
Double Boiler
Balance Scale2
2
Grind in the black
Grind in the black
Grind the lampblack in the mortar with a little of the warm size until smooth, then stir in the rest.
Materials for this step:
Lampblack30 gTools needed:
Mortar and Pestle3
3
Coat the board
Coat the board
Brush an even coat over each sheet of pasteboard in one direction, then a second coat across it once the first is dry.
Materials for this step:
Pasteboard20 piecesTools needed:
Wide Paint Brush
Drying Rack4
4
Press flat
Press flat
When nearly dry, stack the cards between clean sheets under a flat stone overnight so they do not curl.
Tools needed:
Flat Stone Slab5
5
Paint needed
Paint needed
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Materials
4- 20 gPlaceholder
- 0.4 literPlaceholder
- 30 gPlaceholder
- 20 piecesPlaceholder
Tools Required
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