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  2. Fish wheel - Wikipedia

    en.wikipedia.org/wiki/Fish_wheel

    A fish wheel, also known as a salmon wheel, is a device situated in rivers to catch fish which looks and operates like a watermill. However, in addition to paddles, a fish wheel is outfitted with wire baskets designed to catch and carry fish from the water and into a nearby holding tank.

  3. Fish trap - Wikipedia

    en.wikipedia.org/wiki/Fish_trap

    Traditional fish traps, Hà Tây, Vietnam. Cage trap at Lembeh Strait, Indonesia. A fish trap is a trap used for catching fish and other aquatic animals of value. Fish traps include fishing weirs, cage traps, fish wheels and some fishing net rigs such as fyke nets.

  4. Fishing reel - Wikipedia

    en.wikipedia.org/wiki/Fishing_reel

    Fishing reel. Parts of a spinning reel: 1: Pick up or bail 2: Reel seat 3: Reel foot 4: Handle 5: Support arm 6: Anti-reverse lever 7: Skirted spool 8: Fishing line 9: Drag adjustment knob. A fishing reel is a hand- cranked reel used in angling to wind and stow fishing line, [1] typically mounted onto a fishing rod, but may also be used on ...

  5. Fishing trawler - Wikipedia

    en.wikipedia.org/wiki/Fishing_trawler

    A fishing trawler is a commercial fishing vessel designed to operate fishing trawls. Trawling is a method of fishing that involves actively dragging or pulling a trawl through the water behind one or more trawlers. Trawls are fishing nets that are pulled along the bottom of the sea or in midwater at a specified depth. A trawler may also operate ...

  6. Water wheel - Wikipedia

    en.wikipedia.org/wiki/Water_wheel

    Water wheel. A water wheel is a machine for converting the energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a wheel (usually constructed from wood or metal), with a number of blades or buckets arranged on the outside rim forming the driving car.

  7. Fishing weir - Wikipedia

    en.wikipedia.org/wiki/Fishing_weir

    Fishing weir. Weir-type fish trap. A fishing weir, fish weir, fishgarth [1] or kiddle [2] is an obstruction placed in tidal waters, or wholly or partially across a river, to direct the passage of, or trap fish. A weir may be used to trap marine fish in the intertidal zone as the tide recedes, fish such as salmon as they attempt to swim upstream ...

  8. Fishing net - Wikipedia

    en.wikipedia.org/wiki/Fishing_net

    Fishing nets have been used widely in the past, including by stone age societies. The oldest known fishing net is the net of Antrea, found with other fishing equipment in the Karelian town of Antrea, Finland, in 1913. The net was made from willow, and dates back to 8300 BC. [1] Recently, fishing net sinkers from 27,000 BC were discovered in ...

  9. History of fishing - Wikipedia

    en.wikipedia.org/wiki/History_of_fishing

    History of fishing. 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.

  10. Glass float - Wikipedia

    en.wikipedia.org/wiki/Glass_float

    Glass floats were once used by fishermen in many parts of the world to keep their fishing nets, as well as longlines or droplines, afloat. Large groups of fishnets strung together, sometimes 50 miles (80 km) long, were set adrift in the ocean and supported near the surface by hollow glass balls or cylinders containing air to give them buoyancy.

  11. Lorenz cipher - Wikipedia

    en.wikipedia.org/wiki/Lorenz_cipher

    The five ψ wheels, however, advanced intermittently. Their movement was controlled by the two μ ("mu") or "motor" wheels in series. The SZ40 μ 61 motor wheel stepped every time but the μ 37 motor wheel stepped only if the first motor wheel was a '1'. The ψ wheels then stepped only if the second motor wheel was a '1'.