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  2. Fishfinder - Wikipedia

    en.wikipedia.org/wiki/Fishfinder

    The first fishfinder, i.e. sonar device meant to find underwater fish or schools of fish, was invented in Japan in the 1940s by the Furuno brothers, who were radio repairmen. Building from the knowledge of fishermen who were able to determine the presence of fish, and their number, from bubbles, the Furuno brothers first planned to detect these ...

  3. George W. Snyder - Wikipedia

    en.wikipedia.org/wiki/George_W._Snyder

    He was a skillful watchmaker and silversmith; being a good practical angler, and seeing the necessity for a rapid multiplying reel for black bass fishing with the live minnow, he proceeded to invent one. Snyder's first reel was made for his own use, about 1810. He afterward made reels for members of his club, and others. [1]

  4. Furuno - Wikipedia

    en.wikipedia.org/wiki/Furuno

    Furuno Electric Shokai was founded in Nagasaki, Japan in 1948. The same year, Furuno commercialized the world's first practical fish finder.Manufacturing continued to ramp up as the decade came to a close, and by the mid-1950s, Furuno was producing various Marine supplements, such as early examples of commercial Marine radars.

  5. Fish finder - Wikipedia

    en.wikipedia.org/wiki/Fish_finder

    Fish finder may refer to: Fishfinder , a sonar device attached to a boat, used to measure the amount of fish at various depths underneath the boat Fish identifier, an identification key used in fishing to identify the species of a caught fish

  6. History of fishing - Wikipedia

    en.wikipedia.org/wiki/History_of_fishing

    The Great Fish Market, painted by Jan Brueghel the Elder. Fishing is a prehistoric practice dating back at least 70,000 years. Since the 16th century, fishing vessels have been able to cross oceans in pursuit of fish, and since the 19th century it has been possible to use larger vessels and in some cases process the fish on board.

  7. Fisheries acoustics - Wikipedia

    en.wikipedia.org/wiki/Fisheries_acoustics

    Acoustic traces of sprat schools recorded by Bokn in Frafjord, Norway was the first echogram of fish to be published. [4] In 1935, Norwegian scientist Oscar Sund reported observations of cod schools from the research vessel Johan Hjort, [ 5 ] marking the first use of echosounding for fisheries research.

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