SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Ro-iro Urushi: Black Lustre Lacquer, Raw Lac Blackened with Haguro Iron Vinegar (after Rein 1889)
Japanese black lacquer is not coloured with a black pigment. The lacquer makers added iron, dissolved in vinegar, to filtered raw lac and stirred off the water: the iron turns the lac a deep, lustrous black. The same iron vinegar, haguro, was used to blacken teeth.
Result: Ro-iro-urushi, the best black lustre lacquer, 0.5 to 2 % iron.
Source: J. J. Rein, The Industries of Japan (1889), pp. 350-353. Not given: how much haguro (set by the colour). Picture drawn by Youblob.
Kati
4 days
Maagizo
1
1
Make haguro
Make haguro
Pour vinegar (or rice beer) over iron nails or filings and keep it several days in a warm place. The liquid is haguro, iron acetate.
Vifaa kwa hatua hii:
Misumari ya Chuma1 as required
Siki1 as requiredZana zinazohitajika:
Mitungi ya kioo yenye vifuniko2
2
Grind and strain the raw lac
Grind and strain the raw lac
Grind good raw lac for some time in a shallow wooden tub so it flows evenly, then press it through cotton cloth. Ours: wear gloves; raw lac raises blisters on the skin.
Vifaa kwa hatua hii:
Lakuri ghafi ya urushi1 as requiredZana zinazohitajika:
Beseni la mbao
Kitambaa cha Pamba
Glavu za Naitrili3
3
Add haguro to colour
Add haguro to colour
Stir haguro into the strained lac. The amount is set by the colour; the finished lacquer holds 0.5 to 2 % iron.
Zana zinazohitajika:
Bakuli la mbao la lakiri lisilo na kina (urushi bachi)
Kasia la mbao4
4
Stir off the water
Stir off the water
Stir it in a shallow pail or tub in the sun, or over a moderate charcoal fire, until all the water has gone.
Zana zinazohitajika:
Bakuli la mbao la lakiri lisilo na kina (urushi bachi)Kasia la mbao
Mkaa5
5
Strain twice
Strain twice
Pass the black lacquer twice through cotton cloth. It is ready to use as black lacquer without further treatment.
Zana zinazohitajika:
Kitambaa cha PambaMitungi ya kioo yenye vifunikoGlavu za NaitriliVifaa
3- 1 as requiredKishikilia Nafasi
- 1 as requiredKishikilia Nafasi
- 1 as requiredKishikilia Nafasi
Zana Zinazohitajika
7- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
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