Found in 19 Collections and/or Records:
Photocopies of 'Rapports Annuels sur L'Etat de L'Observatoire de Paris', Vol. I, 1878-1883, and Vol. II, 1884-1892, by Amiral Ernest Mouchez, directeur, originally published in Paris, 1879-1893. The final annual report is by a new director, F. Tisserand.
Correspondence regarding the instruments of the Royal Observatory, Cape of Good Hope, including a report on a visit to the Paris Observatory to discuss problems concerning the astrolabe, 15-19 July 1963, and correspondence regarding the 40-inch reflecting telescope.
Correspondence regarding French observatories, including the Paris Observatory and Meudon Observatory. There is also a paper by A. Danjon, in French, on 'The Analysis of Inequalities in the Rotation of the Earth'.
Correspondence with M. Baillaud, Paris Observatory, regarding the Royal Greenwich Observatory's work for the Carte du Ciel, including a copy of the proposed programme for the development of this work.
Correspondence regarding the Paris Observatory, including correspondence with A. Danjon and comments by M. de Vaucouleurs on 'some remarks on the value of the solar parallax'.
An undated photostat of a letter in French from Monsieur Jeaurat, Paris Observatory, to Nevil Maskelyne, 25 September 1789, regarding the return of a comet and informing him of a forthcoming visit to Italy and England.