1382048
- TitleItem 01: Mémoire sur un Cercle de reflection perfectioné par Jh. De Mendoza Rios… (extrait des Transactions Philosophiques de 1801)
- Call numberMLMSS 9716/Item 1
- Level of descriptionitem
- Date
ca. 1801 - Type of material
- Reference code1382048
- Physical Description1 manuscript and 3 drawings - 385 x 250 mm
- ADMINISTRATIVE/ BIOGRAPHICAL HISTORY
Manuscript translation by Louis de Freycinet from English to French of a text by Joseph de Mendoza y Rios published in Philosophical Transactions, London, 1801. The essay refers to the Reflecting Circle, an astronomical device used for measuring longitude. Mendoza y Rios was a Spanish astronomer, and correspondent of Freycinet's, who made improvements to the Reflecting Circle in 1816 by adding a vernier scale. Part of a group of manuscripts by Freycinet related to navigation and longitude held in a file stamped 'Archives de Laage' and headed Astonomie et Navigation, ca. 1800-ca. 1820. - Scope and ContentMémoire sur un Cercle de reflection perfectioné par Jh. De Mendoza Rios... (extrait des Transactions Philosophiques de 1801), 9 page manuscript translation with 3 folded technical drawings on tracing paper loosely inserted. Stamped 'Archives de Laage'.
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