Figure 28. Fluxmeter invented by Admiral Stepan O. Makaroff in 1882 and used in the Straits of Bosporus. Its initial test was made from the Russian vesselTAMAN in the Straits of Bosporus in 1882 at about 73 meters depth.
Photographer: P. Roggero
Credit: Oceanographic Museum of Monaco
Subject: Historical instruments