UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
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UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA

Filter Paper: Soft, Unsized Paper from Linen Rags
Filter paper is paper left soft and porous: made like ordinary rag paper but never sized, so liquid runs through it and solids stay on top. Pharmacists once used such a paper, charta emporetica, for filtering.
Utangiye
Two days
Amabwiriza
1
1
Watch: making linen paper by hand
Watch: making linen paper by hand
Old linen made into sheets with a mould and deckle.
2
2
Cut and cook the rags
Cut and cook the rags
Cut clean linen rags into small pieces. Make a lye by soaking wood ash in water and pouring off the clear liquid, then simmer the rags in it for a few hours to soften them. Rinse well.
Ibikoresho by'iyi ntambwe:
Udutambaro dushaje twa lino1 kg
Ivu ry'Igiti Gikomeye1 as required
Amazi1 as requiredIbikoresho bikenewe:
Umukasi
Indobo
Inkono nini3
3
Beat to pulp
Beat to pulp
Beat the rags with a mallet, a handful at a time with a little water, until the fibres separate into pulp.
Ibikoresho bikenewe:
Inyundo y'Igiti4
4
Form the sheets
Form the sheets
Stir the pulp into a vat of water. Dip the mould and deckle, lift it level and let it drain.
Ibikoresho by'iyi ntambwe:
Amazi1 as requiredIbikoresho bikenewe:
Igikonjo
Igishushanyo n'urukiramende by'ukora impapuro5
5
Couch, press and dry — no size
Couch, press and dry — no size
Turn each sheet onto a damp felt, stack felt and paper, press out the water and hang the sheets to dry. Do not size them: unsized paper stays porous, which is what lets it filter.
Ibikoresho bikenewe:
Urupapuro rw'ubwoya bwashongeshejwe
Umugozi wo kumishaho6
6
Cut and fold to use
Cut and fold to use
Cut the sheets into circles, fold one in quarters and open it into a cone to sit in a funnel.
Ibikoresho bikenewe:
UmukasiIbikoresho
3- Umwanya
- 1 as requiredUmwanya
- 2 as requiredUmwanya
Iki gishushanyo gikora
Blueprint zijyanye
Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame
CC0 Umurenge rusange
Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.
Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.





