liances used. As a weapon of destructionin warfare, dynamite is as yet an almost unknown force,but if a charge can in this way be thrown five miles manyold ideas will have to be discarded. THE BURSTING OF GUN BAEBELS. We give below some extracts from a letter of Mr. MunnDavis, of Nebraska, who… … THE BURSTING OP GUN BARRELS. of Philadelphia. Mr. Heath has been making some experi-ments, and he has spent many words in describing them.But the point which is of most interest, and whicli wouldrender his experiments of any value, he seems carefully tohave avoided, namely, the cause of the…
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