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Electrical Experimenter 1917-12

Electrical Experimenter 1917-12.jpg American Legion 1936-11ThumbnailsAmerican Legion 1936-11ThumbnailsAmerican Legion 1936-11ThumbnailsAmerican Legion 1936-11Thumbnails

"Daylight signaling with searchlights" shows how aircraft support on the ground can communicate with planes in the air, using beams of light.



Artist:

Source: Internet Archive

Restoration by: magscanner