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Wiredrag
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Wiredrag
Wiredrag diagram.The basic principle is to drag a wire attached to two vessels.If the wire encounters an obstruction it will come taut and form a V
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Wiredrag diagram.The basic principle is to drag a wire attached to two vessels.If the wire encounters an obstruction it will come taut and form a V
3/20/2019 1:34:54 PM
Date:
1920?
Credit:
NOAA
Subject:
Charting
Subject:
Soundings
Subject:
Wiredrag
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