Undated patent office application depicting a watercraft stoutly made of ribbed timbers and cross pieces, held up by empty casks or rum puncheons, the movable Buoy Fort would, its inventor said, make harbors secure as the need arose. A buoy is a floating

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Undated patent office application depicting a watercraft stoutly made of ribbed timbers and cross pieces, held up by empty casks or rum puncheons, the movable Buoy Fort would, its inventor said, make harbors secure as the need arose. A buoy is a floating device that can have many purposes. It can be anchored (stationary) or allowed to drift with the sea wave.

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Size: 3600px × 3209px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No

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