Surveyor's Cross

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-	Immagine: Bibl.Dig. Pomodoro 1624.jpg | Giovanni Pomodoro, ''La geometria pratica'', Roma, 1599, tav.I, particolare.	+
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	|autore_scheda= Filippo Camerota		|autore_scheda= Filippo Camerota

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Revision as of 10:16, 26 July 2010

Land surveyor's square

Contents 1 Historic Period 2 Description 3 Bibliographical Resources 4 Existing Instruments

Historic Period

XVI secolo

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Description

Instrument used by land surveyors for orthogonal alignments when measuring plots of land. It typically consisted of a vertical brass cylinder with either four or eight narrow slits that indicated, when looked through, the 90° or 45° directions.

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Bibliographical Resources

Pomodoro, Giovanni, Geometria prattica tratta dagl'Elementi d'Euclide ed altri Auttori da Giovanni Pomo doro Venetiano Mathematico eccellentissimo descritta et dichiarata da Giovanni Scala Mathematico, Stefano de' Paulini, Roma, 1599. Scamozzi, Vincenzo, L’idea della architettura universale, Venezia, 1615, Parte I, Lib. II, Cap. VIII, p. 124: “il medesimo si potrà fare col squadro da Campagna, col quale comunemente gli Agrimensori isquadrano i campi”. Oddi, Muzio, Dello Squadro, Milano 1625.

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Existing Instruments

Firenze, Museo Galileo. Istituto di Storia della Scienza, Inv. 680.
Firenze, Museo Galileo. Istituto di Storia della Scienza, Inv. 681.

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Author of the entry: Filippo Camerota