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Observations made in Savoy, in order to ascertain the Height of Mountains by means of the Barometer; being an Examination of Mr De Luc's Rules, delivered in his Recherches sur les Modifications de l'Atmosphere
Observations Meteorologiques faites a Avignon depuis 1802 jusqu'en 1812 inclusivement; Suivies de la hauteur de quelques points remarquables au-dessus du niveau de la mer
Observations meteorologiques faites A l'Observatoire de Paris
Observations Meteorologiques, faites a Sitka, sur la Cote N. O. de l'Amerique (Latitude 57o3' Longitude 222o15' a l'Est de Paris)
Observations of Comets from BC 611 to AD 1640. Extracted from the Chinese annals
Observations of Donati's Comet, 1858; Made at Markree Observatory, Ireland
"Observations of Donati's Comet, made at the Royal Observatory, Cape of Good Hope, between October 11th, 1858 and March 4th, 1859"
"Observations of Halley's Comet"
"Observations of Halley's Comet, made at the Royal Observatory, Cape of Good Hope, in the Years 1835 and 1836"
"Observations of Nebulae and Clusters of Stars made with the Six-foot and Three-foot Reflectors at Birr Castle, from the year 1848 up to the year 1878"
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