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He is best known for the invention of the crossword puzzle in 1913, when he was a resident of Cedar Grove, New Jersey. [5] Wynne created the page of puzzles for the "Fun" section of the Sunday edition of the New York World. For the December 21, 1913, edition, he introduced a puzzle with a diamond shape and a hollow center, with the letters F-U ...
Sven Gustaf Wingqvist (10 December 1876 – 17 April 1953) was a Swedish engineer, inventor, and industrialist, and one of the founders of Svenska Kullagerfabriken (SKF), one of the world's leading ball bearing and roller bearing makers. Sven Wingqvist invented the multi-row self-aligning ball bearing in 1907.
Arvid Palmgren (1890–1971) invented the spherical roller bearing in 1919 when working for SKF. This bearing could take considerably heavier loads than the self-aligning ball bearings, and was quickly adopted by heavy industries. Tetra Pak (1951) is an invention for storing, packaging and distributing liquid foodstuffs, for example, milk and ...
Thus, the worldwide success story of the ball bearing begins in Schweinfurt. Later, 1883 is officially declared the year in which the company was founded. 1890 - On July 17, Fischer received the patent for his ball grinding machine from the Kaiserliches Patentamt .
Babbitt was born on July 26, 1799, in Taunton, Massachusetts.He was a goldsmith by trade, who experimented with metal alloys. [2] In 1824, he made the first Britannia metal manufactured in the United States, from which he sold table wares as Babbitt, Crossman & Company.
Bailey bridge in Libya Büchner funnel and flask A round, white Botts' dot A Codd bottle Crompton's mule Davy lamp Dr. Martens boots An Éolienne Bollée London Eye Ferris wheel ...
Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup
Crossword construction in modern times usually involves the use of software. Constructors choose a theme (except for themeless puzzles), place the theme answers in a grid which is usually symmetric, fill in the rest of the grid, and then write clues. A person who constructs or solves crosswords is called a "cruciverbalist". [1]