Ekman current meter invented by V. Walfrid Ekman about 1903. This instrument was distinguished by its original manner for measuring both the strenth and direction of the current. It was very robust and used throughout the world during the first half of the 20th Century. It was first tested in the Skagerrak in 1903 aboard the MICHAEL SARS.

Image ID: ship4035, NOAA Ship Collection Photographer: Y. Berard Credit: Oceanographic Museum of Monaco

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