IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Tracing Paper: Flax Tow Beaten to a Clear Pulp, Ure 1839
Tracing paper is paper you can see through. Andrew Ure (1839) says the best, sometimes called vegetable paper, is made from the refuse of the flax mills, the tow, beaten without fermenting into a semi-transparent paste that dries into a transparent sheet.
The picture: the vat room of an 18th-century paper mill, the vatman forming a sheet and the press behind (Diderot's Encyclopédie).
Àárín
Two days
Ìlànà
1
1
Cut and soak the tow
Cut and soak the tow
Cut flax tow into short lengths and soak it in clean water. Do not let it ferment (Ure).
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Okùn ọ̀gbọ̀ kúkúrú500 g
Omi20 lítàÀwọn irinṣẹ́ tí a nílò:
Ìkẹ́rẹ́ irin alágbára
Ọpọ́n igi ńlá2
2
Beat to a clear pulp
Beat to a clear pulp
Beat the wet tow for much longer than for ordinary paper, until it forms a semi-transparent paste (Ure). Ure's mills used the beating engine; by hand it takes hours.
Àwọn irinṣẹ́ tí a nílò:
Òòlù IgiỌpọ́n igi ńlá3
3
Form the sheets
Form the sheets
Dilute the pulp in the vat and form thin, even sheets on the mould, couching them onto felts as for rag paper.
Àwọn irinṣẹ́ tí a nílò:
Pẹpẹ àti ìdìpọ̀ aṣe ìwé
Àwo aṣọ irun àgùtànỌpọ́n igi ńlá4
4
Press and dry with care
Press and dry with care
Press the stack, then dry each sheet in the press between sheets of blotting paper, changing them several times so the thin sheets do not crease, as Ure describes for bank-note paper of the same stuff.
Àwọn irinṣẹ́ tí a nílò:
Pátákó igi pẹlẹbẹ ìtẹ̀ (méjì)
Bébà ìfamu yíǹkì
Ẹ̀rọ ìtẹ̀ bébà (irú ìtẹ̀ ìwé)Àwọn irinṣẹ́ tó nílò
8- Àyè
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