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Description
Figure 44. A buoy with a drogue used by the CHALLENGER Expedition in the GulfStream for current studies in 1873. The drogue acts like an underwater sail and is pushed by the current. The buoy allows visual tracking of the motion of thedrogue. It was first tested off Bermuda in in 1873 in separate tests at 50fathoms, 100 fathoms, and 600 fathoms.
Credit
Oceanographic Museum of Monaco
Photographer
P. Roggero
Collection
Voyage to Inner Space
History of Oceanography Collection
The Early Instruments - Collections of the Oceanographic Museum at Monaco
Current Measuring Devices
Keywords
Oceanography
Historical instruments