Page:Popular Science Monthly Volume 91.djvu/874

 Blinding the Enemy with Searchlights

���While the searchlights, concentrated on the Austrian position, streamed above, the Italian engineers worked below in pitch dark, bridging the chasm between the opposing forces. They had to drop their pontoons down a forty-foot wall on wooden skids, join them, and plank them - over a wildly rushing stream. The Austrians, flooded in noon-day light, could see nothing in the darkness beyond. They suspected a ruse and kept their guns booming but this only covered the noise of bridge building

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