Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 611
organ which reveals itsexistence to us. By white light are meant such waves as are emitted by asolid body at a very high temperature, as, for example, theincandescent lime in the calcium light. Any other collec-tion of waves, even though indistinguishable by the unas-sisted eye from these, is not… … 541 Rectilinear Propagation. — In a homogeneous me-dium, light originating at a luminous point may be regardedas propagated in straight lines, so that the shadow of anyobstacle in the path of the light may be determined to thefirst approximation bv the locus of tangents drawn throughthe luminous…
Physics
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
