Figure 36. Current meter invented by Jacob Peter Jacobsen in 1909. Left: view of the assembled unit. Right from top to bottom: bubble levels; sample bucket. This instrument was used by Jacobsen for many years. He first tested it in the Grand Belt from the vessel THOR in 1909.

Image ID: ship4041, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

• High Resolution Photo Available