Читать книгу The English Colony in New South Wales (Vol. 1&2). Narrative of the British First Settlement in Australia 1788-1801 онлайн

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The longitude, when calculated by either altitudes of the sun, for the time-piece (of Kendal's constructing, which was sent out by the Board of Longitude), or by the means of several sets of lunar observations, which were taken by Captain Hunter, Lieutenant Bradley, and Lieutenant Dawes, was constantly shown to the convoy, for which purpose the signal was made for the whole to pass under the stern of the Sirius, when a board was set up in some conspicuous part of the ship with the longitude marked on it to that day at noon.

A good look-out (to make use of the sea-phrase usual on these occasions) was kept for an island, not very well known or described, which was laid down in some charts, nearly in the track which we were to cross, but it was not seen by any of the ships of the fleet; nor was implicit credit given to its existence, although named (the island of Ascension) and a latitude and longitude assigned to it. It was conjectured, that the islands of Martin Vas and Trinidada, lying within about five leagues of each other, had given rise to the idea of a new island, and that Ascension was in reality one or other of those islands.