What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
able absorption already analysis angle appear application arrangement atmosphere band beam become blue bodies bright lines called carbon clear coincident colour connected considerable consists containing continuous spectrum dark lines deal dense determine deviation direction discovered dispersion distinct electric employed enabled examine exist experiment extremely fact flame Fraunhofer gases give given glass green Huggins hydrogen Illustrations important incandescent indication instance iron Kirchhoff known lens light liquid lithium magnesium means merely metal method NATURE Newton observed obtained once particular pass perfectly position possible practical present pressure prism Professor prominences question radiation reflected refracted result scale Science scientific seen showing shown simple slit sodium vapour solar spectrum solid spark spec spectra spectroscope star substances sun-spot sunlight surface telescope tell thing tube violet visible white light yellow
Page 96 - When this light was allowed to fall through a suitable flame coloured by common salt, dark lines were seen in the spectrum in the position of the sodium lines.