Marégrafo de Cascais - Cascais, Portugal - Património Português (Portuguese Heritage) on Waymarking.com

«Situated next to the marina, Cascais tide gauge is one of the few in the world that it is still working since the 19th century.

The average sea water level is measured here through a buoy connected to a register, a paper roll rolls to the rhythm set by a clock, the pen registers the buoy level in this paper.

It was in this tide gauge that the vertical control “reference zero” of Portuguese mapping was adapted.

It continues to be used by investigators all over the world to study average sea level oscillations.

Cascais tide gauge is opened to guided tours by appointment.»

-- Source

Designação (Name): Marégrafo de Cascais Categoria de protecção (Classification): Classificado como IIP - Imóvel de Interesse Público Categoria/Tipologia (Type of heritage): Arquitectura Civil / Marégrafo Concelho (City): Cascais Página do Património na base de dados da DGPC (Page of the Heritage at the DGPC database): [Web Link] Wikipedia: [Web Link]

Visit Instructions:
[PT]
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[ENG]
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Date Logged Log   05/06/2013 kukkamaaria visited it 12/16/2007 Kelux visited it

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