Figure 34. Brouardel corer invented by Jean Brouardel and Jean Vernet for
measuring dissolved oxygen in ocean water at the seafloor. This instrument was
devised and constructed by Jean Comelli at the instrument shop of the Oceanograp
hic Museum at Monaco. It was tested on the EIDER off Monaco in 1953, at depths
between 150 and 580 meters for the first model.