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ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
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.
Àárín
An afternoon
Ìlànà
1
1
Melt the lead
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.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Ìṣù Òjé5 kg
Èédú3 as requiredÀwọn irinṣẹ́ tí a nílò:
Ìkòkò ìyọ́ ti irin ìdà
Ìléru alágbẹ̀dẹ
Ìbòjú Eruku
Ìbọ̀wọ́ wẹ́lídìn
Gíláàsì ààbò2
2
Set the plate
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.
Àwọn irinṣẹ́ tí a nílò:
Pẹpẹ irin (tí a lù)Ìkòkò ìyọ́ ti irin ìdàÌbọ̀wọ́ wẹ́lídìnGíláàsì ààbò3
3
Pour and tip
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.
Àwọn irinṣẹ́ tí a nílò:
Ṣíbí gígùn fún irin yíyọ́Pẹpẹ irin (tí a lù)Ìbọ̀wọ́ wẹ́lídìnGíláàsì ààbò4
4
Lift and repeat
Lift and repeat
Lift the sheet off, cool the plate with water, and pour again. Trim the sheets with snips.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Omi5 lítàÀwọn irinṣẹ́ tí a nílò:
Ìlàǹkàn irinÌbọ̀wọ́ wẹ́lídìnGíláàsì ààbò5
5
Sheet from a pot
Sheet from a pot
Ń ṣí ìwé Jupyter…
Àwọn irinṣẹ́ tó nílò
8- Àyè
- Àyè
- Àyè
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