29

Nov
2020

MERIDIANA -PIAZZA DELLA BORSA – TRIESTE

In 1820, a 12-meter-long sundial was built on the floor in front of the ground floor of the Palazzo della Borsa, which was used to synchronize the marine clocks of the large ocean-going ships arriving in Trieste.

Through a hole made in a slit on the main facade of the Palazzo della Borsa, the sun’s rays penetrate until they reach the Sundial and thus the elliptical image of the Sun is formed at noon. it is recalled by a circle in white Aurisina stone bearing the name of the manufacturer of the Sundial, the Friulian watchmaker Antonio Sebastianutti and the date of the autumn equinox of 1820, 23 September.

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