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Froude, William

From The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
English engineer and hydrodynamicist. He first formulated reliable laws for the resistance that water offers to ships and for predicting their stability. He also invented the hydraulic dynameter (1877) for measuring the output of high-power engines. These achievements were fundamental to marine development. Frictional and wave-making resistance Beginning in 1867, Froude towed models in pairs, balancing one hull shape against the other. Realizing that the frictional resistance and the wave-making resistance follow different laws, he also towed submerged planks with different surface roughness. He was able to establish a formula which would predict the frictional resistance of a hull with accuracy, and formulated Froude's law of comparison . This stated that the wave-making resistance of similar-shaped models varies as the cube of their dimensions if their speeds are as the square root of their dimensions. With these two analytical results, Froude had found a reliable means of estimating…
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Full text Article Froude, William (1810-1879)

From The Hutchinson Dictionary of Scientific Biography
Place: United Kingdom, England Subject : biography, technology and manufacturing English engineer and hydrodynamiscist who first formulated reliable laws for the resistance that water offers to ships and for predicting their stability. He also invented the hydraulic dynameter for measuring the…
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Full text Article Froude number

From Dictionary of Energy
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Full text Article Froude, William

From Britannica Concise Encyclopedia
(born Nov. 28, 1810, Dartington, Devon, Eng.—died May 4, 1879, Simonstown, S.Af.) British engineer and naval architect. He was the brother of James Anthony Froude . In 1837 he became an assistant to I.K. Brunel , for whom he oversaw railway construction. For the British Admiralty he conducted…
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Full text Article Quotations by Author

From Chambers Dictionary of Great Quotations
Abbott, Diane Julie 1953- Abelard, Peter 1079-1142 Abercrombie, Lascelles 1881-1938 Abrams, M(eyer) H(oward) 1912- Abse, Dannie 1923-2014 Abu’l-’Alá, Al-Ma’arri 973-1058 Abzug, Bella originally Bella Savitzky 1920-98…
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Full text Article ERROR

From Gaither's Dictionary of Scientific Quotations
Writer We must avoid here two complementary errors: on the one hand that the world has a unique, intrinsic, pre-existing structure awaiting our grasp; and on the other hand that the world is in utter chaos. The first error is that of the student who marveled at how the astronomers could find out the…
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Full text Article Historical–Literary Timeline

From Continuum Encyclopedia of British Literature
ca. 5000 –ca. 2500 Neolithic Period B.C.E ca. 2500 –ca. 750 Bronze Age; henge monuments erected; warrior class emerges (ca. 1200–ca. 1000) ca. 659 –C.E. 43 Iron Age; period of invasion and immigration; spread of Celtic influence (ca. 500–100) 43 – 410 Roman conquest and occupation ca. 440 – 50 Civil…
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Full text Article SCIENCE AND RELIGION

From Gaither's Dictionary of Scientific Quotations
English instrument maker The two kingdoms of nature and grace, as two parallel lines, correspond to each other, follow a like course, but can never be made to touch. An adequate understanding of this distinction in all its branches, would be the consummation of human knowledge. Lectures on Natural…
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Full text Article Bibliography

From Encyclopedia of Mythological Objects
Abel, Ernest L. Death Gods: An Encyclopedia of the Rulers, Evil Spirits, and Geographies of the Dead . Greenwood Press Westport CT , 2009. Abulhab, Saad D. The Epic of Gilgamesh: Selected Readings from Its Original Early Arabic Language: Including a New Translation of the Flood Story . Blautopf New…
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Full text Article John Henry Newman 1801–90

From The Oxford Dictionary of Quotations
English theologian, priest, and Cardinal; a key figure in the Oxford Movement, he converted to Roman Catholicism in 1845. See also epitaphs , mottoes It is very difficult to get up resentment towards persons whom one has never seen. Apologia pro Vita Sua (1864) ‘Mr Kingsley's Method of Disputation’ …
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Wife of Thomas Carlyle. She married Carlyle in 1826, supporting him loyally through his depressions and ill-health, though resisting his suggestions that she write herself. After her death, Carlyle wrote a memoir of her in Reminiscences (1881) and edited her letters and diaries. I am not at all the…
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