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Double Boiler: Two Tinned Copper Pans, One Hung in the Other
A double boiler, or bain-marie, sets a smaller pan in a larger one of water, so what is inside cannot get hotter than boiling water: chocolate melts without splitting and egg sauces do not curdle. Raise two copper pans as for the saucepan, give the inner one a rolled shoulder that hangs on the outer rim, rivet on handles and tin both.
The picture: copper cookware in the kitchen of Bourbilly Castle.
高级
Two days
说明
1
1
Raise the outer pan
Raise the outer pan
Raise, rivet and tin a saucepan about 22 cm across as in the saucepan blueprint; this is the outer pan for the water.
2
2
Raise the inner pan
Raise the inner pan
Raise a second, narrower pan, about 18 cm across, from a copper disc over the stake, annealing whenever it stiffens.
此步骤所需材料：
铜板1 个所需工具：
铁皮剪
两脚规
起鼓锤
木槌
成型砧
铁匠炉3
3
Roll the shoulder
Roll the shoulder
Stretch the inner pan's rim outward into a shoulder wide enough to rest on the outer pan's rim, so it hangs with a gap below it for water.
所需工具：
成型砧木槌
横向楔头锤4
4
Handle and tin
Handle and tin
Forge and rivet an iron handle to the inner pan, then tin its inside with tin, sal ammoniac and rosin wiped with tow, as for the saucepan.
此步骤所需材料：
熟铁圆棒0.3 m
铜铆钉3 个
锡锭0.05 公斤
氯化铵（NH₄Cl）0.01 公斤
松香0.01 公斤
亚麻短麻0.01 公斤所需工具：
手摇钻横向楔头锤铁匠炉
耐热手套5
5
Try it
Try it
Put water in the outer pan, hang the inner one in it, and heat: the water should simmer without touching the shoulder or splashing into the inner pan.
此步骤所需材料：
水2 升6
6
Water between the pans
Water between the pans
正在加载 Jupyter 笔记本…
材料
8- 1 个占位符
- 0.3 m占位符
- 3 个占位符
- 0.05 公斤占位符
- 0.01 公斤占位符
- 0.01 公斤占位符
- 0.01 公斤占位符
- 2 升占位符
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