| 摘要 |
PURPOSE: A draft measuring device for a ship is provided to directly measure draft through an image photographed by a camera in the ship. CONSTITUTION: A draft measuring device for a ship easily measures the draft of the ship through an image photographed by a camera(200). The camera connected to a controller(100) with a monitor(110) is descended below the ship to take a photograph of the draft. The controller has wires(120) for connecting the camera so that the descended height of the camera can be controlled by controlling the length of the wires.
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