Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 238
The spec-trum will contain a number of fine dark fines, known asFraunhofers fines. These fines teU of the constitution of the sun. The prin-ciple illustrated by this experiment is the one upon whichthe spectroscope is based.* SIMPLE METHOD OF PRODUCING ^THE SPECTRUM. Color is a sensation due to the… … 2l6 EXPERIMENTAL SCIENCE. having the highest rate capable of affecting the eye are per-ceived as violet, while those of the lowest rate are perceivedas red. According to Ogden Roods Modern Chromatics,the rate of the former is 757 billions of waves per second,
Physics · Lantern projection · Electric apparatus and appliances
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
