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Isaac Dalby

James Thomson

Isaac Dalby (1744 – 16 October 1824) was an English mathematician, surveyor and teacher. He was involved in the Principal Triangulation of Great Britain, the first high-precision trigonometric survey of Great Britain. Provided by Wikipedia

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An account of the operations carried on for accomplishing a trigonometrical survey of England and Wales :

from the commencement, in the year 1784, to the end of the year 1796. Begun under the direction of the Royal Society, and continued by order of the honourable Board of Ordnance. First published in, and now revised from, the Philosophical Transactions, by Captain William Mudge, F.R.S. and Mr. Isaac Dalby. ...

Book

Main Creator:: Mudge, William, Col., F.R.S., 1762-1820.
Language:: English
Format:: Book
Published / Created: 1799-1811.
Notes: Vol.2 was published in two parts in 1801 and 1804 and...
Contributors:: “...Dalby, Isaac....”

An account of the trigonometrical operation :

wherby the distance between the meridians of the observatories of Greenwich and Paris has been determined /

Book

Main Creator:: Roy, William, 1726-1790.
Language:: English
Format:: Book
Published / Created: 1790]
Notes: Read February 25, 1790. Caption title. Extracted fr...
Contributors:: “...Dalby, Isaac. Remarks on Major-general Roy's account of the trigonometrical operation....”