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Radovan Ivančević ; Filozofski fakultet u Zagrebu

Puni tekst: hrvatski pdf 3.724 Kb

str. 111-119

preuzimanja: 473


Puni tekst: engleski pdf 3.724 Kb

str. 120-120

preuzimanja: 331



The author announces the discovery of an isosceles triangle inscribed at the base of the western facade of the baptistery that was built onto the Romanesque cathedral in Trogir in 1467. The author supposes this accurately inscribed triangle of relatively large dimensions (its base is 206.5 cm in length) to be an architectural measuring instrument which is divided into smaller lengths giving several units of measure. The triangle comprehends the lengths of all the more important units of measure from the longest perch (206.5 cm), through the pace (158 cm) and pole (141 cm), to the cubit (51cm), foot (32.2 cm) and palm (8.2 cm). This public measuring instrument shows the units valid in 15th century Trogir, and was most probably used for the verification of the measurements in the architectural plans of Andrija Aleši (Andrea Alessi) and Nikola Firentinac (Nicolo di Giovanni Fiorentino). The triangle was possibly used in the finishing of the upper sections of the baptistery itself and later during the construction of Ursini's chapel, added to the northern side of the cathedral (according to a contract from 1468), also in the stone reliefed retable of the " altar of Justice" in the Trogir loggia (1471) and perhaps too in other architectural and sculptural undertakings in the vicinity. The author further analyses other interpretations of this triangular form and leaves open the possibility of alternative explanations of its function.

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