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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
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
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 to breed in a river, or eels as ...
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.
Weir boiler feedwater pump. The company was established in 1871 as an engineering firm by two brothers, George and James Weir, founding G. & J. Weir Ltd. [3] The Weir brothers produced numerous groundbreaking inventions in pumping equipment, primarily for the Clyde shipyards and the steam ships built there.
For the thirty years following 2014, the probability of there being one or more magnitude 6.7+ earthquakes on the Hayward Fault during that time frame was estimated at 14.3 percent. [19] This is compared to 6.4 percent for the San Andreas Fault, which can have larger earthquakes but is farther away from a significant portion of the urbanized ...