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The Chemistry of Powder and Explosives - Sciencemadness Dot Org

The Chemistry of Powder and Explosives - Sciencemadness Dot Org

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RAILWAY TORPEDOES 109<br />

hardens it), <strong>and</strong> the packages assume a spherical shape. Small<br />

discs <strong>of</strong> colored paper (punchings) are added a few at a time<br />

until the globes are completely covered with them <strong>and</strong> have lost<br />

all tendency to stick together <strong>The</strong>y arc then emptied out <strong>of</strong> the<br />

Fir.i m 35 M-niufiicture <strong>of</strong> Globe Torpedoes Removing the moist spheres<br />

from the tumbling barrel. (Couiteby National Fireworks Company <strong>and</strong> the<br />

Boston Globe )<br />

tumbler, dried in steam-heated ovens, <strong>and</strong> packed in wood shavings<br />

for storage <strong>and</strong> shipment.<br />

Railway Torpedoes<br />

A railway torpedo consists <strong>of</strong> a flat tin box, <strong>of</strong> about an ounce<br />

capacity, filled with a fulminating composition <strong>and</strong> having a strip<br />

<strong>of</strong> lead, soldered to it, which may be bent in order to hold it in<br />

place upon the railroad track. It explodes when the first wheel<br />

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