Figure 47 (cont.) Sigsbee sounding machine, designed by Lietenant Charles D. Sigsbee, USN. Sigsbee designed this machine while in command of the U. S. Coast and Geodetic Survey Ship BLAKE while operating in the Gulf of Mexico in 1874 and first used on the BLAKE in 1875.
Photo Category: Oceanography - Historical instruments
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|Added On||18th October 2015|