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Mary Hayward Weir, born Mary Emma Hayward (1915–1968), was an American steel heiress and socialite. She was the wealthy widow of Pittsburgh steel king Ernest T. Weir, and the former wife of Polish author Jerzy Kosiński. The Mary H. Weir Public Library in Weirton, West Virginia is named after her. [1]
Fish weirs in shallow estuaries water, or in small streams, may be built with 1-to-3-inch-diameter (2.5 to 7.6 cm) vertical stakes and the horizontal structure, called wattling, made of brushwork to form a rough barrier at mid-tide depth. [4] Fish weirs have been used in coastal areas by indigenous peoples in all parts of the world.
Mary Hayward may refer to: Mary Ann Hayward (born 1960), Canadian amateur golfer; Mary Donaghy (born 1939), or Mary Hayward, New Zealand former high jumper and long jumper; Mary E. Smith Hayward (1842–1938), American businesswoman; Mary Hayward Weir (1915–1968), born Mary Emma Hayward, American steel heiress and socialite
A polynomial weir is a weir that has a geometry defined by a polynomial equation of any order n. [11] In practice, most weirs are low-order polynomial weirs. The standard rectangular weir is, for example, a polynomial weir of order zero. The triangular (V-notch) and trapezoidal weirs are of order one. High-order polynomial weirs are providing ...
Mary Weir may refer to: Molly Weir (Mary Weir, 1910–2004), Scottish actress; Mary Hayward Weir (1915–1968), American steel heiress and socialite; Mary Jo Deschanel (Mary Jo Weir, born 1945), American actress
The tilting weir has its origins in the 19th century drum weir which functions using the same principles as the 20th century design. The drum weir, was for a long time confined to the River Marne, where it was first introduced in 1857. [5] Early tilting weirs were constructed from wrought iron and wood.