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![Figure 39 ship4044.jpg Figure 39](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4044.jpg?itok=FxN63TJX)
Description
Figure 39. Current indicator invented by James Norman Carruthers in 1924.This meter works on the principle used in the Robinson anenometer. Left:picture of the unit. Right: unit open to view interior mechanism. This current meter was meant primarily for use by fishermen. It was first tested off thefireboat SAINT NICHOLAS off Great Yarmouth, Great Britain, in 1924. (Image credit: Oceanographic Museum of Monaco | P. Roggero)