Chorobates
From Inventions
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| + | Instrument of ancient origin for levelling canals and water conduits. Vitruvius, who called it "chorobate", describes it as being more precise that a [[Bubble Level | bubble level]]. The instrument consisted of a rule twenty feet (approx. 6 m) long with supports at both ends. Beneath the rule, firmly fixed to the supports, were two crosspieces marked with lines to indicate perpendicularity. Either two or four plumb bobs hanging from the rule indicated the horizontal position on the lines marked on the crosspieces. | ||
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| + | http://www.surveyhistory.org/roman_surveying1.htm (English)<br> | ||
| + | http://www.dl.ket.org/latin3/mores/techno/roads/chorobate.htm (English)<br> | ||
| + | http://books.google.it/books?id=6GgyiMd6u8MC&pg=PA17&lpg=PA17&dq=Chorobate&source=bl&ots=uUOqNnIAKW&sig=M1FAV2suIwsIC-iszf-OXpDmH8c&hl=it&ei=kbM1TL2rEMmbOKvS8aAE&sa=X&oi=book_result&ct=result&resnum=10&ved=0CEIQ6AEwCQ#v=onepage&q=Chorobate&f=false (English)<br> | ||
| + | http://www.persee.fr/web/revues/home/prescript/article/mefr_0223-5102_1982_num_94_2_1351# (French)<br> | ||
| + | http://www.ac-montpellier.fr/sections/personnelsen/ressources-pedagogiques/education-artistique/chorobate (French) | ||
|immagini= <gallery widths=230 heights=368 perrow=3> | |immagini= <gallery widths=230 heights=368 perrow=3> | ||
Current revision as of 16:14, 7 September 2010
Name documented by Vitruvius (in Latin "chorobate").
Contents |
Description
Instrument of ancient origin for levelling canals and water conduits. Vitruvius, who called it "chorobate", describes it as being more precise that a bubble level. The instrument consisted of a rule twenty feet (approx. 6 m) long with supports at both ends. Beneath the rule, firmly fixed to the supports, were two crosspieces marked with lines to indicate perpendicularity. Either two or four plumb bobs hanging from the rule indicated the horizontal position on the lines marked on the crosspieces.
Bibliographical Resources
Vitruvio (Vitruvius Pollio, Marcus). De Architectura, a cura di Pierre Gros, Einaudi, Torino, 1997, 2 voll., Lib. VIII, cap. V (vol. II, p. 1137).
Links (External)
http://www.surveyhistory.org/roman_surveying1.htm (English)
http://www.dl.ket.org/latin3/mores/techno/roads/chorobate.htm (English)
http://books.google.it/books?id=6GgyiMd6u8MC&pg=PA17&lpg=PA17&dq=Chorobate&source=bl&ots=uUOqNnIAKW&sig=M1FAV2suIwsIC-iszf-OXpDmH8c&hl=it&ei=kbM1TL2rEMmbOKvS8aAE&sa=X&oi=book_result&ct=result&resnum=10&ved=0CEIQ6AEwCQ#v=onepage&q=Chorobate&f=false (English)
http://www.persee.fr/web/revues/home/prescript/article/mefr_0223-5102_1982_num_94_2_1351# (French)
http://www.ac-montpellier.fr/sections/personnelsen/ressources-pedagogiques/education-artistique/chorobate (French)
Images
 Mario Bettini. Aerarium philosophiae mathematicae : in quo elementa philosophiae geometricae de planis, curuis, & solidis figuris applicata et ornata, vsibus eximijs in omni scientiarum & artium genere, nouis praxibus, paradoxis, locis Aristotelicis & aliorum philosophorum & scriptorum, corollarijs, scholijs, eruditionibus, moralitatibus, demonstrationibus nouis, facillimis & vniuersalissimis confirmata. Bologna, 1648, p.523 |
Author of the entry: Filippo Camerota
