The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 297
re not for the purposeof preserving right in the stream. O. T.Nemcastle-o)fTyne, April 18, 1844. ^63 THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. rJuLY, OF TERRESTRIAL OR HORIZONTAL REFRACTION, By Oliver Byrne, MHlheinatician.Rays of light passing from objects whetlier terrestrial or eel tial,… … Now as the eye always traces the places of objects to the direction inwhich the rays enter tlie eye, hence the observed elevations of objectsare always greater than the true one, for the direction in which raysenter the eye is the direction of a tangent to the curve at the eye ofthe observer. The…
Architecture · Civil engineering · Science
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.