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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Chemical experiment not going well
On Mon, 08 Dec 2008 15:53:53 -0800, Winston
wrote: Leo Lichtman wrote: "Cydrome Leader" wrote: (clip) carbon electrode for arc lamps work great, assuming you can find any. (clip) ^^^^^^^^^^^^^^^^^^^ If you do find carbon arc electrodes, they will be copper clad. An easy source for carbon rods is flashlight batteries (cells, actually.) Not in the alkaline style. It's positive electrode is a ribbon. You can still get carbon zinc cells (with the carbon rod): http://www.allelectronics.com/make-a...-ZINC/-/1.html Or at about any cheapo discount place. Cells marked "heavy duty" are carbon-zinc rather than alkaline. |
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