"Archisesto" (Architectonic Sector)
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Revision as of 11:58, 11 November 2009
Name coined by the inventor, combining the words "archi[tettura]" (architecture) and "sesto" (compass), i.e., 'architectonic compass'.
Contents |
Inventor
Ottavio Revese Bruti (XVI-XVII sec.)
Historic Period
1627
Description
Proportional compasses for measuring the architectural orders according to the proportions of Andrea Palladio, invented by Ottavio Revese Bruti, an architect from Vicenza. Modelled after the geometric and military compass of Galileo Galilei, the instrument is formed of two flat legs and a transverse arc bearing five sets of proportional scales, each dedicated to one of the elements of an architectural order: the arches, architraves, columns, bases, capitals and balusters of the Tuscan, Doric, Ionian, Corinthian and Composite orders. The success of the archisesto among the proportional instruments used by architects was decreed by British authors who, between 1723 and 1761, at the height of the neo-Palladian vogue, published translations and revisions of Bruti’s treatise in honour of the special interest of King George III in architecture and mathematical instruments. In Britain the instrument was known as the architectonic sector.
Bibliographical Resources
Johnston, Stephen. Science, satire and the architectonic sector. XXV Symposium of the Scientific Instrument Commission, Krakow 2006.
Kirby, Joshua. The Description and Use of a New Instrument called an Architectonic Sector.... London, 1761.
Malie, Thomas. A New and Accurate Method of Delineating all the Parts of the Different Orders in Architecture. London, 1737.
Revese Bruti, Ottavio. Archisesto per formar con facilita li cinque ordini d'architettura; con altri particolari intorno la medesima professione. Vicenza, 1627.
Wittkover, Rudolf. Palladio and English Palladianism. Thames and Hudson, London, 1974.
Existing Instruments
Oxford, Museum of the History of Science, inv. 55213.
Oxford, Museum of the History of Science, inv. 76416.
Oxford, Museum of the History of Science, inv. 40175.
Images
 Ottavio Revese Bruti, Archisesto, Vicenza 1627, frontespizio. |
 Ottavio Revese Bruti, Archisesto, Vicenza 1627, p. X-XI. |
Author of the entry: Filippo Camerota
