id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crln-20655	Eberhart, George M.	New Publications	1993-06-01	2	.pdf	application/pdf	1556	65	58	Williams describes dead reckoning, astrolabes and cross­ staffs, the development of spherical trigonom­ J u n e 1 9 9 3 / 3 4 5 etry and logarithms, the “Great Pursuit” of ac­ curate measures o f longitude and the chronom ­ eter, b u b b le sextants, m agnetic com passes, lighthouses, gyroscopes, radio direction-find­ ing systems, radar, and geosynchronous satel­ lites. Chapters cover the use of braille text, audio output systems, large- print and large-screen tech­ nologies, standard library programs and ser­ vices, and specifications for creating a library access center.	cache/crln-20655.pdf	txt/crln-20655.txt