id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
huygens-treatise-2329		huygens-treatise-2329			.txt	text/plain	38035	1280	66	reason causing the light there to pass between straight lines; since the straight lines which are drawn from the point B in the surface waves of light reflected at the surface of polished bodies, we will Let the line AC represent a portion of a wave of light, Let KF be the plane surface; A the point in the medium which the light line RC, parallel and equal to AB, to be a portion of a wave of light, meeting the surface of the crystal CG is refracted as CI, the ray CI crystal at right angles, is that in which the refracted ray also is the refraction of the perpendicular ray incident at the point C, the refracted equally at the surface C_c_, this point must needs appear are straight lines which intersect at right angles the waves which are straight lines which intersect at right angles the waves which	./cache/huygens-treatise-2329.txt	./txt/huygens-treatise-2329.txt