Figure 31. Thoulet round dredge, designed by Julien Thoulet, professor at theUniversity of Nancy, about 1897. Although tested aboard the Princess Alice inabout 1901, it was not until 1909 that Thoulet tested his dredge in small lakes. That same yea
4/4/2019 2:12:21 PM
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco
Subject: Oceanography
Subject: Historical instruments