fell in and the old Scientific Ameri- in the large fireproof safes provided for that purpose, and which become powerfully explosive when mixed. Would it can office was in ruins. be possible to charge projectiles with these substances? the locking of the safe doors. Two hours later we hid leased the… … The problem of coast defense is a serious one; and the also gratefully acknowledge the kind invitation, of Mr. hope of the country of safety in the emergency of war THE NEW SCIENTIFIC AMERICAN OFFICE, 261 BROADWAY. Thomas D. Stetson and Mr. David L. Haight, of the Van- hangs upon invention, bold…
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