Jahr : 1766
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Projet D'Observations astronomiques Et Hydrographiques
Pour parvenir à former pour la mer Méditerranée, une suite de Cartes exactes, accompagnées d'un Portulan, sous le titre de Neptune francois ; second volumeChabert, Joseph Bernard de - Das Dokument ist frei verfügbar.
The variation of the compass
containing 1719 observations to, in, and from the East Indies, Guinea, West Indies, and Mediterranean, with the latitudes and longitudes at the time of observations ; the longitude for the most part reckoned from the Meridian of London, if otherwise, it is taken notice of in the marginDouglass, RobertIn: Philosophical transactions of the Royal Society of London : giving some accounts of the present undertakings, studies, and labours, of the ingenious, in many considerable parts of the world
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