Figure 28. Pasquion sounder invented by the Frenchman August Pasquion. Thisdevice was never featured in a publication; however, it was patented on June 26, 1906, by the National Office of Industrial Property. Its first ocean teststook place in 190
4/4/2019 2:12:21 PM
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco
Subject: Oceanography
Subject: Historical instruments