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Sagger: a Fireclay Box Moulded Round a Wooden Mould (Bourry, 1911)
The kiln box that shields ware from flame and soot: a fireclay-and-grog slab beaten flat, rolled round a wooden mould for the wall, joined to a slab bottom by hand, then dried and burned. Saggers stack in piles with wads of soft fireclay between.
Usually oval, sometimes square or rectangular; size to suit the ware.
Source: Emile Bourry, A Treatise on Ceramic Industries (1911), pp. 233, 352-356. Unknown: proportions, sizes, firing temperature. Picture: Fig. 173 of the book.
Kati
Unknown
Maagizo
1
1
Make the body
Make the body
Mix fireclay with as much grog as possible, of fairly coarse grain, coarse and fine together, into a firm body. Not given: proportions.
Vifaa kwa hatua hii:
Udongo Unaostahimili Moto1 kipande
Grogi (vyombo vya udongo vilivyochomwa na kupondwa)1 kipande
Maji1 kipandeZana zinazohitajika:
Kasia la mbao2
2
Beat out the slabs
Beat out the slabs
Dust a table with grog and fix four rules on it as thick as the slab. Mould slabs of the body by hand between them, firm enough to be shaped roughly by striking with a wooden bat, then smooth them.
Zana zinazohitajika:
Grogi (vyombo vya udongo vilivyochomwa na kupondwa)
Nyenzo isiyojulikanaKasia la mbao
Mbinjo wa unga3
3
Form the sagger
Form the sagger
Roll a slab round a wooden mould whose outside is the inside shape of the sagger. Stand the mould on a second slab for the bottom and join the two by hand. Strike the body so it lengthens slightly and comes loose, and draw the mould off upward.
Zana zinazohitajika:
Nyenzo isiyojulikanaKasia la mbao4
4
Dry and burn
Dry and burn
Dry it slowly, then burn it as fireclay goods are burned. In use, stack saggers in piles with wads of thin fireclay between them to seal and steady them.
Zana zinazohitajika:
TanuruVifaa
3- 1 kipandeKishikilia Nafasi
- Kishikilia Nafasi
- 1 kipandeKishikilia Nafasi
Vifaa vya Michoro Iliyounganishwa
Mchoro huu unatengeneza
CC0 Umma Wote
Mchoro huu umetolewa chini ya CC0. Uko huru kunakili, kubadilisha, kusambaza, na kutumia kazi hii kwa madhumuni yoyote, bila kuomba ruhusa.
Saidia Mtengenezaji kwa kununua bidhaa kupitia Mchoro wao ambapo wanapata Kamisheni ya Mtengenezaji iliyowekwa na Wachuuzi, au unda marudio mapya ya Mchoro huu na uiunganishe kama kiungo katika Mchoro wako kuchangia mapato.