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The Hoover Constellation was a spherical canister-type vacuum cleaner notable for its lack of wheels. Floating on a cushion of air, it was a domestic hovercraft. They were not especially good as vacuum cleaners as the air escaping from under the cushion blew uncollected dust in all directions, nor as hovercraft as their lack of a skirt meant ...
A blade is made in a part-circular cross-section (pipe cut over its whole length). The ends of the blades are welded to disks to form a cage like a hamster cage and are sometimes called "squirrel cage turbines"; instead of the bars, the turbine has the trough-shaped steel blades. The water flows first from the outside of the turbine to its inside.
The Hoover Company is a home appliance company founded in Ohio, United States, in 1915.It also established a major base in the United Kingdom; and, mostly in the 20th century, it dominated the electric vacuum cleaner industry, to the point where the Hoover brand name became synonymous with vacuum cleaners and vacuuming in the United Kingdom and Ireland.
It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. [1] The process of arriving at the modern Francis runner design took from 1848 to approximately 1920. [1] It became known as the Francis turbine around 1920 ...
Hoover's sign (leg paresis) Differential diagnosis. Conversion disorder. Hoover’s sign of leg paresis is one of two signs named for Charles Franklin Hoover. [ 1 ] It is a maneuver aimed to separate organic from non-organic paresis of the leg. [ 2 ] The sign relies on the principle of synergistic contraction. [citation needed]
The Hoover free flights promotion was a marketing promotion run by the British division of the Hoover Company in late 1992. The promotion, aiming to boost sales during the global recession of the early 1990s, offered two complimentary round-trip plane tickets to the United States, worth about £600, to any customer purchasing at least £100 in Hoover products. [1]
Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, during the Great Depression, it was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort ...
The Hoover Institution (officially The Hoover Institution on War, Revolution, and Peace) is an American public policy think tank which promotes personal and economic liberty, free enterprise, and limited government.