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VAZI
Modelling Clay That Never Hardens: Kaolin Kneaded with Petroleum Jelly (Lanza, US 861,294, 1907)
Clay mixed with water dries, cracks and needs wetting all the time. Lanza bound fine clay with petroleum jelly instead, so it stays soft and workable for good.
Result: a clean, non-hardening modelling clay; the more petroleum jelly, the softer it is.
Source: Lanza, US 861,294 (1907). Not given: batch size, kneading time. Picture drawn by Youblob.
Mwanzo
1 hour
Maagizo
1
1
Sift the clay fine
Sift the clay fine
Use clay ground fine enough to pass a 100-mesh screen, better 200 mesh. Lanza used kaolin with good results.
Vifaa kwa hatua hii:
Unga wa udongo wa kaolini5 partsZana zinazohitajika:
Ungo wa Matundu Membamba2
2
Weigh 2 parts jelly to 5-7 parts clay
Weigh 2 parts jelly to 5-7 parts clay
By weight: 2 parts petroleum jelly to 5-7 parts clay. Ratio: more jelly (2:5) gives a softer clay, less (2:7) a firmer one.
Vifaa kwa hatua hii:
Vaselini2 partsZana zinazohitajika:
Mizani ya mizani-mbili3
3
Knead them together
Knead them together
Mix the clay and jelly intimately until smooth. If the clay sticks to the fingers, work in a little sulfur as a filler.
Vifaa kwa hatua hii:
Unga wa sulfuri1 a little, if stickyZana zinazohitajika:
Kinu na mchiVifaa
3- 5 partsKishikilia Nafasi
- 2 partsKishikilia Nafasi
- 1 a little, if stickyKishikilia Nafasi
Zana Zinazohitajika
3- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
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