pl23_ship4026.jpg
![Figure 23 ship4026.jpg Figure 23](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4026.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23ship4026jpgDescription
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