< Page:Popular Science Monthly Volume 92.djvu
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� � ��A wonderful photograph taken from a French airplane while bombing a German factory in Lorraine. Seven bombs may be seen in the air, all released together by the same machine

��with tail planes to make it fly straight — a tail which has the same effect on the bomb as the tail feathers have on an arrow. In addition there is a "pro- peller" to sensitize the percussion fuse during the bomb's fall.

Particular attention is directed to the extraordinary photograph which shows seven bombs flying through the air after ha\'ing been released nearly simultane- ously. They do not drop. They liter-

��ally rush through the air like naval torpedoes, thereby to a certain extent justifying their alias. Released from a machine which is traveling at a speed of ninety miles an hour, they necessarily have, for a time, the forward motion of that machine and actually travel hori- zontally. Realizing all this, their de- signers gave them an ideal streamline form. In the picture only the lowest bombs have begun to turn downward

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