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Lead Sheet Cast on a Tilted Iron Plate, Ure 1839
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Lead Sheet Cast on a Tilted Iron Plate, Ure 1839

Thin lead sheet can be cast without rolling. Andrew Ure (1839) describes the white-lead works: melted lead is poured on an iron plate over the pot, and as soon as its surface begins to set the plate is tipped, so the still-liquid lead runs back and leaves a thin sheet that lifts off like paper. Their sheets were 1/24 inch thick or less. The picture: our diagram, the plate tipped over the pot as the liquid runs off.
Hagati
An afternoon

Amabwiriza

1

Melt the lead

Melt lead in a cast-iron pot over the fire. Work outdoors, keep food and drink away, and wash your hands after.

Ibikoresho by'iyi ntambwe:

Ikibumbe cy'isasuIkibumbe cy'isasu5 kg
AmakaraAmakara3 as required

Ibikoresho bikenewe:

Inkono yo gushongesha y'icyuma cyasuweInkono yo gushongesha y'icyuma cyasuwe
Uruganda rw'umucuziUruganda rw'umucuzi
Agapfukamunwa k'UmukunguguAgapfukamunwa k'Umukungugu
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
2

Set the plate

Lay a clean, dry iron plate across the pot so it can be tipped toward one side to drain into the pot.

Ibikoresho bikenewe:

Ikibaho cy'icyuma (gikubiswe)Ikibaho cy'icyuma (gikubiswe)
Inkono yo gushongesha y'icyuma cyasuweInkono yo gushongesha y'icyuma cyasuwe
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
3

Pour and tip

Ladle lead onto the plate. The moment its surface starts to set, tip the plate so the liquid runs back into the pot; the thin set layer stays as a sheet.

Ibikoresho bikenewe:

Ikiyiko cyo gusuka icyumaIkiyiko cyo gusuka icyuma
Ikibaho cy'icyuma (gikubiswe)Ikibaho cy'icyuma (gikubiswe)
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
4

Lift and repeat

Lift the sheet off, cool the plate with water, and pour again. Trim the sheets with snips.

Ibikoresho by'iyi ntambwe:

AmaziAmazi5 litiro

Ibikoresho bikenewe:

Ibyuma bikata ibyuma bisanzweIbyuma bikata ibyuma bisanzwe
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
5

Sheet from a pot

Gupakira ikaye ya Jupyter…

Ibikoresho

3
  • 1
    Ikibumbe cy'isasu
    5 kg
    Umwanya
  • 1
    Amakara
    3 as required
    Umwanya
  • 4
    Amazi
    5 litiro
    Umwanya

Ibikoresho bikenewe

8

Iki gishushanyo gikora

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