Do Congresso de Washington à adoção da Hora Legal Brasileira

Luz, Sabina Alexandre; Vergara, Moema de Rezende

doi:10.4000/terrabrasilis.1617

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Luiz Cruls E a Geodesia1

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2019

2022

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Cited by 3 publications

(2 citation statements)

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“…Segundo Sabina Luz e Moema Vergara (2015) foi no artigo 2° da lei n° 2.784, de 18 de junho de 1913, que se estabeleceu a Hora Legal Brasileira. Esta lei admitia a adoção do meridiano de Greenwich como referência longitudinal para o país.…”

Section: Luiz Cruls E a Geodesiaunclassified

Geodesia no Brasil na passagem do século XIX e XX

Vergara

2022

RBHC

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Section: Luiz Cruls E a Geodesiaunclassified

Geodesia no Brasil na passagem do século XIX e XX

Vergara

2022

RBHC

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“…10 "officially adopted the international time system whose adhesion was experiencing substantial growth". 15 At the time of these travels, Cruls taught geodesy at the Military School, as mentioned above. By analyzing the content of his classes in students' notebook records, we may notice that a great portion of his course was dedicated to teaching how to use instruments in the field.…”

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confidence: 99%

Observational astronomy and the mapping of Brazil at the turn of the 20th century

Vergara

2022

Journal for the History of Astronomy

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When, in 1822, Brazil declared its independence from Portugal, its vast territory was little known by the central government in Rio de Janeiro. There was a great need to create reliable maps that would delineate the new country’s boundaries. This paper aims to show how a practical application of astronomy, specifically geodesy, was vital in the efforts to build the nation. We follow the professional life of an astronomer, Luis Cruls, director of the National Observatory, professor at the Military School and chief researcher of several expeditions, to discuss the strength of geodesic and cartographic activities in Brazil at the end of the 19th century.

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