Baghdad Battery - a mystery to mankind
The small vase containing a cylindrical piece of copper 12, 5 centimeters long and a diameter of 4 centimeters. The rim of the copper cylinder was soldered with lead-tin alloy in the ratio of 60/40 percent, while its bottom is choked with deep fluted copper disk, which in turn is anchored with concrete or asphalt. Another insulating layer of asphalt sealed th...[ More ]
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