pl23_ship4026.jpg

Figure 23

Image

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Description

Figure 23. Current meter invented by Jacob Amsler-Laffon about 1876. Thisinstrument was devised to measure the currents of streams and rivers. It was an application of Woltman's electrical turnstile method of measuring the current.The first use of this instrument was in the Rhine River near Schaffhouse in 1876. 278 measurements were made at 26 stations at 6 meters depth.

Credit

Oceanographic Museum of Monaco

Photographer

P. Roggero

Collection

Voyage to Inner Space
History of Oceanography Collection
The Early Instruments - Collections of the Oceanographic Museum at Monaco
Current Measuring Devices

Keywords

Oceanography
Historical instruments