id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
193108322	Napier	Volume 4, Astronomy-BOR	1842		.txt	text/plain	1039104	65467	75	by the minute differences which remain after applying to Thus, let M and M' be the mean places of any given star columns of light had risen from the north-east and northance posterior to 1574, is described by English writers till west quarters, and passed the zenith, the aurora sunk conthe year 1707, which, as Dr Halley observes, shows the siderably towards the horizon ; but its upper edge remamprodigious neglect of curious matters that then prevailed, ed bright and very well defined. covered it in 1772, and who, on a second visit in 1773, disOf the recent creation of Amsterdam there can be litcovered some small islands near it, but on neither occasion tie doubt; indeed, it is scarcely yet cooled, and is alterwas able once to bring his ships to an anchor upon any ed considerably since its first discovery by Vlaming in	./cache/193108322.txt	./txt/193108322.txt