Surveying Compasses

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|nome= Nome in uso attualmente per definire un diffuso strumento di rilevamento rinascimentale.
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Current name for a surveying instrument widely used in Renaissance times.
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|data= XVI-XVII secolo
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|data= 16th-17th C.
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|descrizione= Compasso per rilievi topografici generalmente formato da due gambe piatte graduate, una [[bussola]] nello snodo e traguardi. Nella sua forma più semplice, questo tipo di compasso è ben rappresentato dal cosiddetto [[archimetro fiorentino]]. In una versione illustrata da Giacomo Contarini, forse invenzione di Fabrizio Mordente, lo strumento ha due gambre graduate con bussola nello snodo, un braccio graduato imperniato anch'esso nello snodo, due braccetti graduati collegati a cursori scorrevoli sulle gambe, e un arco graduato di 180°.
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|descrizione=
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Compass used for surveying, generally consisting of two flat graduated legs, a magnetic [[compass]] in the hinged joint and sighting devices. In its simplest form, this type of compass is well represented by the so-called [[Florentine Archimeter | florentine archimeter]]. In a version described by Giacomo Contarini, which may have been invented by Fabrizio Mordente, the instrument has two graduated legs with a magnetic compass in the joint, a graduated arm also pivoted at the joint, two small graduated arms connected to cursors sliding along the legs, and a 180° graduated arc.
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[http://brunelleschi.imss.fi.it/museum/esim.asp?c=402030 Florence, Museo Galileo. Institute and Museum of the History of Science, Inv. 645.]
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- Museo Galileo, Institute and Museum of the History of Science, Florence <br>
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[http://catalogue.museogalileo.it/object/TriangulationCompass.html Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 645.]<br>
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[http://catalogue.museogalileo.it/object/SurveyingCompass_n06.html Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 1280.]<br>
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[http://catalogue.museogalileo.it/object/SurveyingCompass_n05.html Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 1471.]<br>
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[http://catalogue.museogalileo.it/object/SurveyingCompass_n04.html Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 3687.]<br>
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[http://catalogue.museogalileo.it/object/SurveyingCompass_n07.html Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 2527.]<br>
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|immagini= <gallery widths=230 heights=368 perrow=3>
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Image: File.jpg | Giacomo Contarini,''Figure d'Istromenti Matematici'', ms, ca. 1590, Oxford, Bodleian Library, Ms. Canon. Ital. 145, c. 25.<br />
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<gallery widths=230 heights=368 perrow=3>
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Image: 56700.jpg | Giacomo Contarini. ''Figure d'Istromenti Matematici'', Oxford, c. 1590, c25.<br />
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Image: 56701.jpg | Giacomo Contarini. ''Figure d'Istromenti Matematici'', Oxford, c. 1590, c39.<br />
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</gallery>
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Image: File.jpg | Giacomo Contarini,''Figure d'Istromenti Matematici'', ms, ca. 1590, Oxford, Bodleian Library, Ms. Canon. Ital. 145, c. 39.<br />
 
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</gallery>
 
|autore_scheda= Filippo Camerota
|autore_scheda= Filippo Camerota

Current revision as of 08:21, 10 September 2010

Current name for a surveying instrument widely used in Renaissance times.


Contents

Historic Period

16th-17th C.


Description

Compass used for surveying, generally consisting of two flat graduated legs, a magnetic compass in the hinged joint and sighting devices. In its simplest form, this type of compass is well represented by the so-called florentine archimeter. In a version described by Giacomo Contarini, which may have been invented by Fabrizio Mordente, the instrument has two graduated legs with a magnetic compass in the joint, a graduated arm also pivoted at the joint, two small graduated arms connected to cursors sliding along the legs, and a 180° graduated arc.


Bibliographical Resources

Contarini, Giacomo. Figure d'Istromenti Matematici e loro uso, ms, ca. 1590, Oxford, Bodleian Library, Ms. Canon. Ital. 145.


Existing Instruments

- Museo Galileo, Institute and Museum of the History of Science, Florence
Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 645.
Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 1280.
Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 1471.
Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 3687.
Florence, Museo Galileo. Istituto e Museo di Storia della Scienza, Inv. 2527.


Images


Author of the entry: Filippo Camerota

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