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The clock dial, at a height of approximately 15 metres, is protected by an arched canopy. It was once surrounded by 12 circular frescoes depicting the arts of the quadrivium: as the plasterwork has fallen away, only the four underneath the canopy are now visible. The fresco position at the top of the
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In 1473 the astronomical clock was installed, the work of
Mantuan mathematician Bartolomeo Manfredi. The clock ran without incident for nearly a century, until the mechanism failed in 1560. It was repaired by Francesco Filopono, mathematician and astronomer. It stopped again in 1700. The mechanism
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The dial has two hands. The longer hand, with a star and pointer, indicates the time. (Traditionally time showed was
Italian hours, counting from sunset. Today, for ease of reading, the time shown is from midnight to midnight.) The other hand shows the sun and indicates
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The outer ring numbers the hours from I to XXIIII. The next ring, inset, has 24 divisions (12 white and 12 black), representing the unequal hours (with the period of daylight divided into 12 "hours" and the nighttime divided into 12 "hours").
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damaged the tower, which was closed while repairs were carried out. Within the tower, the Museum of Time exhibits old components of the clock. The top of the tower offers views of the city and the surrounding lakes.
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The clock's off-centre blue semicircle with thirty golden studs, fixed to the zodiac ring between Libra and Pisces, represents the
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219:– the Sun and Moon) sits with open arms, a deer at her feet. Her left hand rests on a circular aperture which shows the
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This semicircle and the lunar indications, in combination with the dial's other indications, enable the calculation of
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The statue of the
Immaculate Madonna under the clock dates from the early 17th century, as does the marble balcony.
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141:. It is attached to the Palazzo della Ragione, and next to the Rotonda di San Lorenzo. It houses an
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Les
Horloges astronomiques et monumentales les plus remarquables de l'Antiquité jusqu'à nos jours
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L'ostensorio sognato: breve guida alla conoscenza del ripristinato orologio pubblico di
Mantova
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In the centre of the inset is a protruding disc, showing the twelve signs of the
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The clock mechanism is in wrought iron; the mechanism stands on a wooden base.
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The tower, with a square ground-plan, was constructed in 1472–1473 by
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is a 15th-century renaissance tower on the Piazza delle Erbe in
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Lai, Luciano (June 2002). "L'orologio astronomico di
Mantova".
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De' matematici italiani anteriori all'invenzione della stampa
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Castelli e torri dei
Gonzaga nel territorio mantovano
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196:dial was later replaced by a metallic moon sphere.
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165:was restored in 1989 by Alberto Gorla.
159:Ludovico III Gonzaga, Marquis of Mantua
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734:Copenhagen (Jens Olsen's World Clock)
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47:adding citations to reliable sources
866:Renaissance architecture in Mantua
861:Buildings and structures in Mantua
298:"The astronomical clock of Mantua"
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238:, permitting calculation of the
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270:"Torre dell'orologio, Mantova"
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58:"Torre dell'Orologio, Mantua"
871:Astronomical clocks in Italy
782:Giovanni Dondi dell'Orologio
326:Veratti, Bartolomeo (1860).
404:Signorini, Rodolfo (1989).
399:(in Italian). No. 222.
125:Torre dell'Orologio, Mantua
35:to establish the subject's
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191:Astronomical clock, Mantua
176:Emilia earthquakes of 2012
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302:Google Arts & Culture
574:Versailles (Passemant's)
353:(in French). Strasbourg.
349:Ungerer, Alfred (1931).
274:Lombardia Beni Culturali
32:sufficient sources exist
807:Jean-Baptiste Schwilgué
514:Žibřidice (Chaloupka's)
281:16 October 2013 at the
802:Richard of Wallingford
739:Dubrovnik (Bell Tower)
376:(in Italian). Brescia.
372:Boriani, Ezio (1969).
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876:Clock towers in Italy
817:Auguste-Lucien Vérité
445:45.15827°N 10.79475°E
408:(in Italian). Mantua.
330:(in Italian). Modena.
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43:improve this article
792:Nikolaus Lilienfeld
749:Lier (Zimmer tower)
621:Clusone (Fanzago's)
490:Astronomical clocks
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131:Torre dell'Orologio
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450:45.15827; 10.79475
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772:Paul Behrens
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41:Please help
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763:Clockmakers
655:Switzerland
448: /
221:lunar phase
211:(mother of
855:Categories
797:Jens Olsen
569:Strasbourg
436:10°47′41″E
433:45°09′30″N
256:References
236:solar time
99:March 2020
69:newspapers
37:notability
698:Leicester
600:Stralsund
414:cite book
382:cite book
359:cite book
336:cite book
559:Ploërmel
544:Besançon
539:Beauvais
279:Archived
840:Commons
636:Messina
626:Cremona
616:Brescia
595:Rostock
590:MĂĽnster
583:Germany
549:Bourges
504:Olomouc
307:9 March
149:History
83:scholar
744:Gdańsk
688:Exeter
631:Mantua
532:France
509:Prague
213:Apollo
209:Latona
205:zodiac
135:Mantua
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708:Wells
641:Padua
609:Italy
564:Rouen
217:Diana
139:Italy
90:JSTOR
76:books
754:Lund
718:York
667:Sion
554:Lyon
420:link
388:link
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342:link
309:2020
215:and
174:The
129:The
62:news
45:by
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