Patent Model Life and Treasure Buoy. This patent model was submitted to the Patent Office by Francis D. Lee, an architect in Charleston, South Carolina, to illustrate his idea for a shipboard water tank that would float free of a sinking ship if drained in time.

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Size: 1940px × 1289px
Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: industry, maritime, work