t a backing which TEST OF A TORPEDO SHELL. was an exact duplicate of the cellular structure of one A few years ago the army officials at the Sandy of our latest battleships at the water-line, and back Hook proving ground were called upon to test. an of the target was a heavy backing of sand, of… … very flattering Five Shells, Carrying Pressure Gages in the Base, Showing Scoring by Fragments of the Shell. 12 inches in di- results. : ameter and 59 We are now enabled, by the courtesy of the War De- inches long, is divided into ten compartments by or wrong, that the shell was recently tested at…
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