Figure 14. Baillie sounder, a version of the Hydra sounder, was designed in 1871 by Lieutenant Charles W. Baillie, RN, when he was on the North American station. This instrument was almost immediately adopted by the British Hydrogra phic Office. Two of these instruments were placed on the CHALLENGER in 1873 and used successfully.
Photo Category: Oceanography - Historical instruments
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|Added On||18th October 2015|