Hydrochronometer by Embriaco (total view with signs)

Orologio ad acqua di padre Embriaco a palazzo Berardi

A hydrochronometer is a kind of

water clock A water clock or clepsydra (; ; ) is a timepiece by which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel, and where the amount is then measured. Water clocks are one of the oldest time-m ...

. In 1867 Fr. Giovan Battista Embriaco, O.P., inventor and professor of the

College of St. Thomas A college (Latin: ''collegium'') is an educational institution or a University system, constituent part of one. A college may be a academic degree, degree-awarding Tertiary education, tertiary educational institution, a part of a coll ...

in Rome, created a hydrochronometer and sent it to the Paris Universal Exposition of 1867, where it received many prizes. It had the shape of a wooden pinnacle made of cast iron fused as tree trunks, while its four dials were visible from every direction. In 1873, the Water clock was back in Rome and was placed in

Villa Borghese gardens Villa Borghese is a landscape garden in Rome, containing a number of buildings, museums (see Galleria Borghese) and attractions. It is the third largest public park in Rome (80 hectares or 197.7 acres) after the ones of the Villa Doria Pamphili an ...

into a fountain realized by the architect Gioacchino Ersoch. It's still placed there and works

24/7 In commerce and industry, 24/7 or 24-7 service (usually pronounced "twenty-four seven") is service that is available at any time and usually, every day. An alternate orthography for the numerical part includes 24×7 (usually pronounced "twenty ...

. In June 2007, after two years of restoration a
ELIS School
it was restarted by the Town Mayor of Rome. Another hydrochromometer can be found at Palazzo Berardi, rione Pigna, Rome.

Notes

External links

* https://web.archive.org/web/20100419133812/http://www.orologiodelpincio.it/en/homepage Water clocks 1867 introductions {{tool-stub