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Signal Tower for Storm Warning Flags used by day, lanterns by night Picture

Signal Tower for Storm Warning Flags used by day, lanterns by night

Signal Tower for Storm Warning Flags used by day, lanterns by night. Used to warn mariners In: “The Boy and the U.S. Weather Men”, 1917, p.236

Photo Category: Communications - Warnings - Marine
Photo Date: 1910 circa

Author: NOAA

License: Public Domain Mark 1.0 (Public domain)
420 x 640 41.36 KB
1200 x 1832 539.71 KB
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19th October 2015
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