Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
An echosounder for deep-sea fishing, to determine depth of water, with dependable continuous indication of fish and shoals of fish. The instrument will additionally indicate the nature of the seabed and the presence of plankton and wrecks or rocks. An automatic 5-minute marker and the permanence of the graphs allow the chart to be evaluated accurately at a later date.
ELAC, Electroacustic
Kiel, Germany
Not announced
,