Figure 42. A BBT-Neyrpic current recorder made between 1950 and 1952 as the result of a collaboration between the companies of Barbier, Benard & Turenne and Nepyric. The official test of this instrument was in the Gulf of Sfax about 1951 in four meters of water. This instrument had higher precision and was more manageable than many of its predecessors, but abandoned photographic recording.
Photo Category: Oceanography - Historical instruments