SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Tinned Copper Saucepan, Raised from Sheet and Riveted
A copper saucepan heats evenly; lined with tin, it keeps the copper away from the food. Raise a copper disc into a pan over the stake, anneal it whenever it stiffens, rivet on an iron handle, then tin the inside as Andrew Ure (1839) describes: scour, heat, rub with sal ammoniac, melt tin with rosin on it and wipe it over with tow.
The picture: copper saucepans with riveted iron handles in the kitchen of Bourbilly Castle, Burgundy.
Juu
Two days
Maagizo
1
1
Cut and raise
Cut and raise
Cut a disc from copper sheet. Hammer it down into a hollow in a wooden block, then raise the sides in courses over the anvil horn with the raising hammer, turning the work. Anneal to a dull red and quench whenever it stiffens.
Vifaa kwa hatua hii:
Bamba la Shaba1 kipande
Maji10 litaZana zinazohitajika:
Mkasi wa bati
Nyundo ya kuinua
Nyundo ya mbao
Fuawe
Tochi ya Propani
Ndoo ya kupoza chuma
Glavu Zinazostahimili Joto2
2
Planish and trim
Planish and trim
Planish the pan smooth with light overlapping blows, trim the rim level and roll it slightly outward.
Zana zinazohitajika:
Nyundo ya kuinuaFuaweMkasi wa bati3
3
Handle
Handle
Forge a flat-ended handle from wrought iron rod, drill it and the pan wall, and rivet it on with copper rivets.
Vifaa kwa hatua hii:
Fito ya chuma cha kufua0.3 m
Rivet za shaba3 vipande
Mkaa1 as requiredZana zinazohitajika:
Fua ya mhunzi
Nyundo yenye kichwa cha msalaba
Koleo za mhunzi
Kekee cha mkono4
4
Tin the inside
Tin the inside
Scour the inside bright with sandstone. Heat the pan and rub it with sal ammoniac until perfectly clean. Put tin and a little pounded rosin in, keep it hot enough to melt the tin, and spread it thinly over the whole inside with a pad of tow. Work outdoors: the sal ammoniac fumes.
Vifaa kwa hatua hii:
Kipande cha bati (tin)10 g
Kloridi ya amonia (NH₄Cl)10 g
Ubani wa msonobari5 g
Nyuzi fupi za kitani1 kipandeZana zinazohitajika:
Tochi ya PropaniGlavu Zinazostahimili Joto
Barakoa ya vumbi5
5
How little tin
How little tin
Inapakia daftari la Jupyter…
Vifaa
9- 1 kipandeKishikilia Nafasi
- 10 litaKishikilia Nafasi
- Kishikilia Nafasi
- 3 vipandeKishikilia Nafasi
- 1 as requiredKishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- 1 kipandeKishikilia Nafasi
Zana Zinazohitajika
12- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- 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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