CASTING IRON CANNON BY A GALVANIC PROCESS.

A hoaxical looking article, under the above caption, is going the

rounds, and represents that successful experiments on this subject

have been recently made at Berlin. As no description or illustration

of the process or principle is given, we leave the subject for those

who are ever ready to swallow whatever appears in a newspaper, without

regard to probability.

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Scientific American magazine, Vol. 2 Issue 1 The advocate of Industry and Journal of Scientific, Mechanical and Other Improvements · 第 41 / 93 题