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Note; by Richard Buckley Litchfield; written at Durham

(Note)

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Note; by Richard Buckley Litchfield; written at Durham typed (dated October

(Note)

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Papers relating to Manley's work in England and overseas

Scope and Contents From the Fonds:

The following letters were mostly written by two of Whittaker's Cambridge friends: Thomas Greenwood, a fellow-Johnian, who was called to the bar (1817) and became reader in history at the University of Durham (1833); and William Whewell, afterwards Master of Trinity. There are also four letters from Greenwood's brother Charles, a London businessman.

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On a method of finding latitude and longitude at sea in fog by two bearings of the sun, using a fog compass and a chronometer.

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With an index of names.

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With an index of names.

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Correspondence regarding miscellaneous schemes and inventions.

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Sent to Sir Henry [Harold] Parker.

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Concerning a method of finding the time at sea without the latitude, and a method of finding the longitude by a lunar altitude. The letter includes a printed page outlining his method for longitude.

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Letter from Henrietta Emma Litchfield née Darwin to Emma Darwin née Wedgwood; written at Durham

(Letter)

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Letter from Henrietta Emma Litchfield née Darwin to Emma Darwin née Wedgwood; written at [Durham]

(Letter)

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Letter from Henrietta Emma Litchfield née Darwin to Emma Darwin née Wedgwood; written at [Durham] dictated to Richard Buckley Litchfield

(Letter)

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Letter from Henrietta Emma Litchfield née Darwin to Emma Darwin née Wedgwood; written at [Durham] dictated to Richard Buckley Litchfield

(Letter)

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Letter from Henrietta Emma Litchfield née Darwin to Emma Darwin née Wedgwood; written at [Durham] dictated to Richard Buckley Litchfield

(Letter)

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Letter from Henrietta Emma Litchfield née Darwin to Emma Darwin née Wedgwood; written at [Durham] dictated to Richard Buckley Litchfield

(Letter)

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Six letters and two papers on his method of ascertaining the exact loss or gain of two chronometers, with a related newspaper extract.

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Two letters and a printed paper on finding the longitude by the moon's transit or distance from the meridian.

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Two letters and a printed paper on finding the longitude by the moon's transit or distance from the meridian.

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Letter from Richard Buckley Litchfield to Emma Darwin née Wedgwood; written at Durham

(Letter)

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Letter from Richard Buckley Litchfield to Emma Darwin née Wedgwood; written at Durham in with note by Henrietta Emma Litchfield née Darwin in her left hand

(Letter)

Scope and Contents Letters from various British and international observatories on the subject of filling vacancies, requests for new instruments at Oxford, and information on recent work performed at various centres. The correspondents include J.C. Adams, U.J.J. Le Verrier, C. Pritchard, W. Huggins, G. Salt, H. Merivale, R.L.J. Ellery, Lord Lindsay, the Earl of Rosse, Sir R.S. Ball, N.R. Pogson, F.A.T. Winnecke and L. Mallet. There are various additional papers, including 'Le Revue Scientifique'; the history...

Scope and Contents Correspondence and papers on scientific and general matters, including D. Gilbert's numbers for slide rules and specific gravities; the force of steam; the use of a balloon at the battle of Fleurus, 1794; computations relating to tithe assessments; statistics on Durham collieries; J. Fowler's calculating machine; a report on C. Babbage's calculating machine by J.F.W. Herschel; Airy's thoughts to the Examiner on the Corn Laws, with a graph on the price of wheat; Airy's assessment of Diodorus...

Scope and Contents From the File:

Correspondence regarding the effect of magnetic variation on the mariner's compass, the use of magnetic variation to establish longitude and the cause of magnetic variation.

Scope and Contents Miscellaneous pieces on longitude and solar eclipses. The papers concerning longitude include pieces to ascertain the longitudes of Boston (by W.C. Bond), Durham, Cork and Haulbowline, the boundary between the U.S.A. and Mexico, and Batavia. The longitudes of Ipswich and Madras are also briefly mentioned. The material on eclipses include the eclipse of the Sun of 11 May 1724, with a contemporary illustration; a map of the world; the solar eclipse of 19 July 1748; the lunar eclipse of 28 July...