Figure 48. Test float devised by Prince Albert I of Monaco and Georges Pouchet in 1887 to study currents. This float was never used in practice. This floatwas made by the instrument-maker E. Deriveau.
4/4/2019 1:56:29 PM
Photographer: D. Mille
Credit: Oceanographic Museum of Monaco
Subject: Oceanography
Subject: Historical instruments