< Page:Popular Science Monthly Volume 88.djvu
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Necessity is the Mother of Invention
����Even the copper weights on German clocks have
been fired at the Allied troops! Stones have been
substituted for the old copper weights
��Another example of Germany's inventive genius turned to warlike purposes. The photo- graph shows the portable searchlight. This projector, small as it is, is remarkably powerful, and may be assembled for action in an exceedingly small space of time
�� �
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