Emile Plantamour
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Emile Plantamour or Émile Plantamour was a Swiss astronomer.
Emile Plantamour 1883
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 presiden
Emile Plantamour
…Emile Plantamour. Proceedings of the American Academy of Arts and Sciences, Vol. 18 (May, 1882 – May, 1883), pp. 461–463. Carlos Ibáñez e Ibáñez de Ibero – president of the International Geodetic Association Marcel Golay: "Plantamour, Emile" in German, French and Italian in the online Historical Dictionary…
Portrait of Carlos Ibáñez e Ibáñez de Ibero in 1881
Swiss baseline measurement with Ibáñez apparatus in 1880.
Gravimeter with variant of Repsold-Bessel pendulum.
Repeating circle used for the survey of the meridian arc from Dunkirk to Barcelona by Delambre and Méchain