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60 Years of the Hydrographic Institute

This intro is yet to be translated!

2020 01 24
01/24/2020

1941 - Hydrographic Mission of Angola and São Tomé, Bába bay. «With just two men, the new plumb machine works very well»
2020 01 31
02/03/2020

«Sines December 84 drilling operation wet coal»
2020 02 14
02/14/2020

Determination of Oxygen dissolved in water, on board the NRP «Almeida Carvalho» ». Early eighties (1982?).
2020 02 21
02/21/2020

«Tide scale and limnigraph, Metangula - Lago Niassa, Mozambique 1959.»
2020 02 07
02/07/2020

«Float used in the measurement of currents ...». Adjacent Islands Hydrographic Mission, N. H. Carvalho Araujo, September 1937
2020 02 28
02/28/2020

Land brigade camp change. Madeira Island, July / August 1937.
2020 03 06
03/06/2019

“Reading of the «invar» wire in an intermediate iron tube”. Geodesic Mission São Tomé Island. CMG Gago Coutinho, Head of Mission 1915-1918.
2020 04 03
04/03/2020

Launch of a “Batitermograph”. Photo was taken on board the NRP “Almeida Carvalho” in the 70s.
2020 04 17
04/17/2020

“Reading of Praise” on November 14, 1963. Taking possession of General Director IH, Rear Admiral João Xavier Ramalho Rosa.
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