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Gold Pan Raised from Steel Sheet, with Riffles
A gold pan is a wide, shallow steel pan, most often 14 inches (36 cm) across, with sides sloping at 30–45°. Shaken under water, heavy grains such as gold sink while light sand washes over the rim; riffles on one side catch the heavy grains. Raise a steel disc to a flat-bottomed pan, wire the rim and hammer riffles into one side. It also serves as a shallow washing basin.
The picture: a steel gold pan with gravel, in a washing trough.
中级
A day
说明
1
1
Cut the disc
Cut the disc
Scribe and cut a mild steel disc to the size in step 5.
此步骤所需材料：
低碳钢板1 个所需工具：
两脚规
铁皮剪2
2
Raise the pan
Raise the pan
Mark the flat bottom, then raise the sides over the stake in rings, annealing whenever the steel stiffens, until they stand at about 40° (our angle). Keep the bottom flat with the mallet.
此步骤所需材料：
木炭3 as required所需工具：
成型砧
起鼓锤
木槌
铁匠炉
电焊手套3
3
Wire the rim
Wire the rim
Trim the edge level and roll it over a steel wire to stiffen the rim.
此步骤所需材料：
钢丝1.2 m所需工具：
铁皮剪成型砧木槌4
4
Riffles
Riffles
Hammer three grooves across one side, over the fuller, to make riffles. File off burrs and wipe the pan with oil against rust.
此步骤所需材料：
亚麻籽油0.02 升所需工具：
压槽铁（fuller）起鼓锤
金属锉5
5
Disc for a 14-inch pan
Disc for a 14-inch pan
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