Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 349
though shifted sideways somewhat, is not changedin direction. This shifting may be readily shown, experimentally, bylooking obliquely through a piece of plate-glass at astraight line drawn on a piece of paper so that part ofthe line projects beyond the glass. The portion seenthrough the glass will… … §§ 555-557] EEFBACTION OF LIGHT 335 in direction on passing through the medium. Thus, inFig. 208, the ray, in passing into the prism, will be re-fracted downward toward the normal 7^, and on passingout, — as it goes then into the air, which is a poorer re--fractor, — it will be refracted downward…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
