36 A SWINGING SCAFFOLD IMPROVEMENT. THE COMBUSTION OF SMOKELESS POWDER. THE GREENVILLE TREATY. MAXIM-SCHTYPPHATTS POWDER BEFORE AND AFTER FIRING. GREENVILLE TREATY MEDAL OBVERSE AND REVERSE., scientific american, 1898-01-15
36 A SWINGING SCAFFOLD IMPROVEMENT. THE COMBUSTION OF SMOKELESS POWDER. THE GREENVILLE TREATY. MAXIM-SCHTYPPHATTS POWDER BEFORE AND AFTER FIRING. GREENVILLE TREATY MEDAL OBVERSE AND REVERSE., scientific american, 1898-01-15
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