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Black Card Stock: Pasteboard Coated with Lampblack
Quill

Yenziwe ngu-

Quill

14. uMfumfu 2026DE
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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.
Oqalayo
A day, mostly drying

Imiyalelo

1

Make the size

Soak a little hide glue in water, then warm it in the double boiler until it is a thin liquid.

Izinto zokwakha zalesi sinyathelo:

Uglu lwesikhumba sesilwaneUglu lwesikhumba sesilwane20 g
AmanziAmanzi0.4 ilitha

Amathuluzi adingekayo:

Amabhodwe amabili okupheka emanziniAmabhodwe amabili okupheka emanzini
Isikali sesilinganisoIsikali sesilinganiso
2

Grind in the black

Grind the lampblack in the mortar with a little of the warm size until smooth, then stir in the rest.

Izinto zokwakha zalesi sinyathelo:

Umsizi wesibaniUmsizi wesibani30 g

Amathuluzi adingekayo:

Isigqulo NomgquloIsigqulo Nomgqulo
3

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.

Izinto zokwakha zalesi sinyathelo:

Ikhadibhodi lamaphepha anamathisiweIkhadibhodi lamaphepha anamathisiwe20 izicucu

Amathuluzi adingekayo:

Ibhulashi elibanzi lokupendaIbhulashi elibanzi lokupenda
Ishelufu LokomisaIshelufu Lokomisa
4

Press flat

When nearly dry, stack the cards between clean sheets under a flat stone overnight so they do not curl.

Amathuluzi adingekayo:

Ipuleti Letshe EliyisicabaIpuleti Letshe Eliyisicaba
5

Paint needed

Ilayisha incwadi ye-Jupyter…

Izinto

4

Amathuluzi Adingekayo

6

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