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Chandler, Seth Carlo, Jr.

W. E. Carter.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Geodesy and Surveying for Maps and Charts; Astronomy and Astrophysics; Probability and Statistics. 1230 words.

Chandler, Seth Carlo, Jr. (16 September 1846–31 December 1913), astronomer, geodesist, and actuary, was born in Boston, Massachusetts, the son of Seth Carlo Chandler, Sr., a businessman,...

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Chapman, Sydney

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Mathematics; Geophysics. 1817 words.

Chapman, Sydney (1888–1970), mathematician and geophysicist, was born on 29 January 1888 in Eccles, Lancashire, the second son of Joseph Chapman, chief cashier at Rylands, a Manchester...

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Chapman, Sydney

Gregory A. Good.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Geophysics; Mathematics. 1175 words.

Chapman, Sydney (29 January 1888–16 June 1970), geophysicist and applied mathematician, was born in Eccles, Lancashire, near Manchester, England, the son of Joseph Chapman, chief cashier of...

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contour

Overview page. Subjects: Earth Sciences and Geography — Mathematics.

A line on a map joining places of equal heights, and sometimes equal depths, above and below sea level. The contour interval is the vertical change between consecutive contours. Contour...

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cube

Overview page. Subjects: Earth Sciences and Geography — Mathematics.

A hexahedral crystal shape or form which can be referred to three axes of equal length which intersect at right angles.

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Dalby, Isaac

Elizabeth Baigent.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: World History; Geodesy and Surveying for Maps and Charts; Civil Engineering, Surveying, and Building; Mathematics. 802 words.

Dalby, Isaac (1744–1824), mathematician and surveyor, was born in Gloucestershire, possibly in the Stroud area, into a family in modest circumstances. He was one of at least three boys. He...

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Daniel Bernoulli

Overview page. Subjects: Earth Sciences and Geography — Mathematics.

(1700–82)

A Swiss mathematician (one of eleven eminent mathematicians his family produced over four generations), whose most important work was in the field of hydrodynamics. In...

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Darwin, Sir George Howard

David Kushner.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Mathematics; Geophysics. 2559 words.

Darwin, Sir George Howard (1845–1912), mathematician and geophysicist, was born on 9 July 1845 at Down House, Downe, Kent, the fifth child (the third of seven to survive childhood) of...

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Davison, Charles

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Volcanology and Seismology; Mathematics; History of Science and Technology. 511 words.

Davison, Charles (1858–1940), mathematician and writer on seismology, was born on 1 May 1858 in Bishopwearmouth, co. Durham, the second son of Edwin Charles Davison (1818–1902), fleet...

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depression

Overview page. Subjects: Mathematics — Earth Sciences and Geography.

The acute angle between the horizontal and a given line (see inclination) measured positively in the direction of the downwards vertical. θ is the angle of depression of the boat from the...

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