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Chain boat and barges on the River Seine in France in the early 20th century. A chain boat, [1] [2] chain tug [3] or chain-ship [4] was a type of river craft, used in the second half of the 19th century and first half of the 20th century on many European rivers, [5] that made use of a steel chain laid along the riverbed for its propulsion.
A galvanic anode, or sacrificial anode, is the main component of a galvanic cathodic protection system used to protect buried or submerged metal structures from corrosion. They are made from a metal alloy with a more "active" voltage (more negative reduction potential / more positive oxidation potential) than the metal of the structure.
Chain boat tow on the Main (ca. 1896) Chain boat of the Mainkette-AG in front of the "Mainkai" in Frankfurt After navigation on the Main had lost more and more of its transport capacity to the railway and the use of wheeled steam tugs had failed due to the shallow navigation channel of the Main, Heino Held, owner of the Mainz-based forwarding and coal trading company C.J.H. Held & Cie., had ...
Chain boat navigation. Postcard showing a chain steamer on river Seine in France. The caption reads "Conflans Sainte-Honorine – An arm of the Seine waterway. A train of barges.". A model of a German chain steamer on the Elbe. Chain-boat navigation[1] or chain-ship navigation[2] is a little-known chapter in the history of shipping on European ...
Defunct. Headquarters. Waukegan, Illinois. , United States. Outboard Marine Corporation (OMC) was a maker of Evinrude, Johnson and Gale Outboard Motors, and many different brands of boats. It was a multibillion-dollar Fortune 500 corporation. [1] Evinrude began in Milwaukee, Wisconsin in 1907. OMC was based in Waukegan, Illinois. [2]
To forestall hogging and sagging, since about 1850, the hulls of wooden river boats were held in shape by a system of wire trusses, called "hog chains". [1] These were not chains at all, but rather iron rods 1 to 2.5 inches (25 to 64 mm) in diameter, which ran from strong points in the hull to vertical timbers, called "hog posts", which looked like masts, rising above the hull. [1]