SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
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.
Mwanzo
Two days
Maagizo
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.
Vifaa kwa hatua hii:
Vitambaa vya kitani1 kg
Majivu ya Mti Mgumu1 as required
Maji1 as requiredZana zinazohitajika:
Mkasi
Ndoo
Chungu kikubwa3
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.
Zana zinazohitajika:
Nyundo ya mbao4
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.
Vifaa kwa hatua hii:
Maji1 as requiredZana zinazohitajika:
Hodhi kubwa la mbao
Fremu na kifuniko cha kutengeneza karatasi5
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.
Zana zinazohitajika:
Karatasi ya sufu iliyoshindiliwa
Kamba ya kukaushia6
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.
Zana zinazohitajika:
MkasiVifaa
3- Kishikilia Nafasi
- 1 as requiredKishikilia Nafasi
- 2 as requiredKishikilia Nafasi
Zana Zinazohitajika
8- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
Mchoro huu unatengeneza
Blueprint zinazohusiana
Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni
CC0 Umma Wote
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