Ubufatanye
UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Refractory Cement: Clay, Iron Filings and Manganese, Fired Hard (Spon's Workshop Receipts)
A fireproof and waterproof cement from Spon's Workshop Receipts: dried clay, clean iron filings, peroxide of manganese, sea salt and borax, ground fine, wetted to a thick paste, applied at once and then heated slowly almost to white heat.
Fired, it is very hard and stands both red heat and boiling water.
Source: Spon, Workshop Receipts, first series, p. 24. Picture: the recipe.
Utangiye
Unknown
Amabwiriza
1
1
Dry and powder the clay
Dry and powder the clay
Dry 4 or 5 parts of clay thoroughly and pulverize it.
Ibikoresho by'iyi ntambwe:
Ibumba rishya ryavuye mu cyobo1 4 or 5 partsIbikoresho bikenewe:
Isekuru n'Umuhini2
2
Mix the powders
Mix the powders
Add 2 parts of fine iron filings free from oxide, 1 part of peroxide of manganese, 1/2 part of sea salt and 1/2 part of borax. Mingle them thoroughly and make the mixture as fine as possible.
Ibikoresho by'iyi ntambwe:
Ibisigazwa by'icyuma1 2 parts, fine, free from oxide
Diyokiside ya manganize (pirolusite)1 1 part
Umunyu w'inyanja munini1 1/2 part
Ifu ya boraki1 1/2 partIbikoresho bikenewe:
Isekuru n'Umuhini3
3
Make the paste, apply and fire
Make the paste, apply and fire
Work the powder into a thick paste with as much water as it needs, mixing thoroughly. Use it at once. After applying it, heat it gradually, almost to a white heat.
Ibikoresho by'iyi ntambwe:
Amazi1 igiceIbikoresho bikenewe:
Isekuru n'UmuhiniIbikoresho
6- 1 4 or 5 partsUmwanya
- 1 2 parts, fine, free from oxideUmwanya
- Umwanya
- 1 1/2 partUmwanya
- 1 1/2 partUmwanya
- 1 igiceUmwanya
Ibikoresho by'Ibishushanyo Bifitanye Isano
Iki gishushanyo gikora
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