Fonds A892 - Abbe Nicolas Louis De La Caille, Notebook

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Reference code

ZA HPRA A892

Title

Abbe Nicolas Louis De La Caille, Notebook

Date(s)

  • 1746 - 1754 (Creation)

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Extent and medium

Holograph, 172 pages, bound in 18th century suede, 16.5x21.5cm

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Name of creator

(1713-1762)

Biographical history

French astronomer and priest

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Scope and content

The notebook contains observations made by De la Caille at the Cape and elsewhere; a list of expenses in connection with his observatory at St. Martin (Paris); and details of the mathematical basis for his calculations, including lists of formulae and trigonometrical proofs, used as an aide-memoire during his travels. There are calculations of some star coordinates, apparently made at the Cape, and, most important of all, a calculation of the difference in latitude between the Cape and Klipfontein for his determination of an arc of the meridian.

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