...solution. He found the same effect whether muriate, sulphate, or carbonate of sodium was employed. lows some remarks upon some experiments of Herschel's :...require a laborious chemical analysis to effect." In the РШ. Mag. for 1834, vol. iv. p. 114, Mr. Talbot further showed how, notwithstanding the similarity...

...them." And a f ew years later Fox Talbot remarks : "A glance at the prismatic spectrum of flame may shew it to contain substances which it would otherwise require a laborious chemical analysis to detect." 19 begins to glow red, there is a faint light at the red end of the spectrum ; then you go...

...He adds, " if this opinion " — as to the cause of the production of the lines — " should prove correct and applicable to the other definite rays, a glance at the prismatic spectrum of a flame might show it to contain substances which it would otherwise require a laborious chemical analysis...

...makes the observation (which has since been completely realized) : " If this opinion should be correct, a glance at the prismatic spectrum of a flame may...otherwise require a laborious chemical analysis to detect." Some years afterwards (1834), speaking of the spectra of lithium and of strontium, which impart...

...the strontia, since Mr. He r sehe l found in the flame of muriate of strontia a ray of that colour. If this opinion should be correct and applicable to...otherwise require a laborious chemical analysis to detect." In einer späteren Mittheilung2) sagt derselbe Physiker nach der treft'enden Beschreibung...

...various definite bright lines their spectra exhibited, going on to say, "If this opinion should prove correct, and applicable to the other definite rays, a glance at the prismatic spectrum of a flame might show it to contain substances -which it would otherwise; require a laborious chemical analysis...

...salt has been dissolved. The paper in which he describes this and other observations concludes thus: " If this opinion should be correct and applicable to...definite rays, a glance at the prismatic spectrum of flame may show it to contain substances which it would otherwise require a laborious chemical analysis...

...the strontia, since Mr. Hers c hei found in the flame of muriate of strontia a ray of that colour. If this opinion should be correct and applicable to...contain substances which it would otherwise require a laboriotis chemiciil analysis to detect." Diese Worte klingen in der That so, als habe Talbot die Grundlage...

...strontia a ray of that colour. If this opinion should be correct and applicable to the other deflnite rays, a glance at the prismatic spectrum of a flame...otherwise require a laborious chemical analysis to detect." Diese Worte klingen in der That so, als habe Talbot die Grundlage der Spectralanalyse entdeckt,...

..." if this opinion" — •i* to the cause of the production of the lines — " should prove Direct and applicable to the other definite rays, a glance at the prismatic spectrum of a flame might show it to contain substances which it would otherwise require a laborious chemical analysis...