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Carlos Ibáñez de Ibero

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Spanish engineer (1825-1891)

SpainScientistsLived 1825 to 1891 · aged 65
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Carlos Ibáñez e Ibáñez de Ibero, 1st Marquis of Mulhacén, was a Spanish divisional general and geodesist. He represented Spain at the 1875 Conference of the Metre Convention and was the first president of the International Committee for Weights and Measures.

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Photos 8

Swiss baseline measurement with Ibáñez apparatus in 1880.Swiss baseline measurement with Ibáñez apparatus in 1880.The West Europe-Africa Meridian-arc shown extending from the Shetland Islands at the top of the map, through Great Britain, France and Spain to El Aghuat in Algeria, whose parameters were calculated from surveys carried out in the mid to late 19th century. The Greenwich meridian is depicted rather than the Paris meridian.[30]The West Europe-Africa Meridian-arc shown extending from the Shetland Islands at the top of the map, through Great Britain, France and Spain to El Aghuat in Algeria, whose parameters were calculated from surveys carried out in the mid to late 19th century. The Greenwich meridian is depicted rather than the Paris meridian.[30]Gravimeter with variant of Repsold-Bessel pendulum.Gravimeter with variant of Repsold-Bessel pendulum.Repeating circle used for the survey of the meridian arc from Dunkirk to Barcelona by Delambre and MéchainRepeating circle used for the survey of the meridian arc from Dunkirk to Barcelona by Delambre and MéchainBessel's apparatus at the Museum of Instruments of the Military Geographic Institute of Florence.Bessel's apparatus at the Museum of Instruments of the Military Geographic Institute of Florence.Invar wire baseline apparatusInvar wire baseline apparatusCloseup of National Prototype Meter Bar No. 27, made in 1889 by the International Bureau of Weights and Measures (BIPM) and given to the United States, which served as the standard for American cartography from 1890 replacing the Committee Meter, an authentic copy of the Mètre des Archives produced in 1799 in Paris, which Ferdinand Rudolph Hassler had brought to the United States in 1805.Closeup of National Prototype Meter Bar No. 27, made in 1889 by the International Bureau of Weights and Measures (BIPM) and given to the United States, which served as the standard for American cartography from 1890 replacing the Committee Meter, an authentic copy of the Mètre des Archives produced in 1799 in Paris, which Ferdinand Rudolph Hassler had brought to the United States in 1805.

Awards 3

1890Poncelet Prize
1857Knight of the Order of Carlos III
Cross Laureate of Saint Ferdinand

Connected to Carlos 6

Amédée MannheimAlso won Poncelet PrizeLuis Díez del CorralAlso won Knight of the Order of Carlos IIIMariano Gómez-Zamalloa y QuirceAlso won Cross Laureate of Saint FerdinandSalvador Moreno FernándezAlso won Cross Laureate of Saint FerdinandHenri BénardAlso won Poncelet PrizeCesáreo Fernández DuroAlso won Knight of the Order of Carlos III

About this person

Carlos Ibáñez e Ibáñez de Ibero, 1st Marquis of Mulhacén, was a Spanish divisional general and geodesist. He represented Spain at the 1875 Conference of the Metre Convention and was the first president of the International Committee for Weights and Measures. As a forerunner geodesist and president of the International Geodetic Association, he played a leading role in the worldwide dissemination of the metric system. His activities resulted in the distribution of a platinum and iridium prototype of the metre to all States parties to the Metre Convention during the first meeting of the General Conference on Weights and Measures in 1889. These prototypes defined the metre right up until 1960.

Country
Spain
Category
Scientists
Type
Scientist
Status
deceased
Dates
Lived 1825 to 1891 · aged 65
Written about in
7 languages

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