Abstract
THE Smithsonian Institution, Washington, has recently issued an article by Major Edward P.O'Hern, of the Ordnance Department, U.S. Army, which deals with the composition, methods of employment, and results obtained with explosives.
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Explosives . Nature 96, 25 (1915). https://doi.org/10.1038/096025b0
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DOI: https://doi.org/10.1038/096025b0