UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
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).
Hagati
Two days
Amabwiriza
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).
Ibikoresho by'iyi ntambwe:
Ubudodo bugufi bwa lin500 g
Amazi20 litiroIbikoresho bikenewe:
Umukasi ukomeye w'ibyuma
Igikonjo2
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.
Ibikoresho bikenewe:
Inyundo y'IgitiIgikonjo3
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.
Ibikoresho bikenewe:
Igishushanyo n'urukiramende by'ukora impapuro
Urupapuro rw'ubwoya bwashongeshejweIgikonjo4
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.
Ibikoresho bikenewe:
Imbaho ziringaniye zo gukandamiza (ebyiri)
Urupapuro rwumutsa wino
Igikanda impapuro (ubwoko bwo gukanda ibitabo)Ibikoresho bikenewe
8- Umwanya
- Umwanya
- Umwanya
- Umwanya
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