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Gustav de Laval (1845–1913), Sweden – invented the milk separator and the milking machine; Semyon Lavochkin (1900–1960), Russia – La-series aircraft, first operational surface-to-air missile S-25 Berkut; John Bennet Lawes (1814–1900), UK – superphosphate or chemical fertilizer; Ernest Orlando Lawrence (1901–1958), U.S. – Cyclotron
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The latter algorithm is a procedure for finding integers x and y satisfying the condition ax + by = gcd(a, b). [220] Preliminary differentiation – Preliminary concept of differentiation and the differential coefficient were known to bhaskaracharya [221]
Robert Willemsz de Baudous: Golden Age, etching, c. 1598. The Orphic school held similar beliefs about the early days of man, likewise denominating the ages with metals. In common with the many other mystery cults prevalent in the Graeco-Roman world (and their Indo-European religious antecedents), the world view of Orphism was cyclical ...
La música en la Iglesia de Castilla y León (Music of the Catholic Church in Castile and León) Cathedral of Saint Mary: León: 1991–1992 4: El contrapunto y su morada (The counterpoint and its dwelling) Old Cathedral of Saint Mary and New Cathedral of the Assumption of the Virgin: Salamanca: 1993–1994 5: Flandes y Castilla y León
Stahl wrote "Estudios sobre la flora de Puerto Rico" (A study of the Puerto Rican Flora), published in six fascicles from 1883 to 1888. Copies of his plant collection with approximately 1,330 plants can be found in various botanical gardens around the world.
Gustaf de Laval (1845–1913) was a Swedish engineer and inventor who made important contributions to the design of steam turbines and dairy machinery. The most famous invention was the milk-cream separator. In 1883 he and others founded AB Separator (later Alfa Laval). He obtained over one hundred patents in total.
'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928. An invention is a unique or novel device, method, composition, idea or process.An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost.