...prism. If this should be admitted, I would further suggest that whenever the prism shows a htimoyencmis ray of any colour to exist in a flame, this ray indicates...gives a very brilliant spectrum, in which no colour appeals to be predominant or deficient. It, therefore, resembles the spectra of ignited lime, platina,...

...possess a definite refrangibility, and to be characteristic of the salts of potash, as the yellow my is of the salts of soda, although, from its feeble...of a definite chemical compound. An excellent prism ia, however, requisite to determine the perfect homogenity of a ray." The concluding paragraph of this...

...If this should be admitted, l would further suggest that ivhenever the prism shotvs a homogene aus ray of any colour, to exist in a flame, this ray indicates the formation or the presence of a definitc rhemical compound.« Etwas weiter sagt er bei der Besprechung des Speclruins von Bothfeuer...

...: 1 " The flame of sulphur and nitre contains a red ray which appears to me of a remarkable nature. This red ray appears to possess a definite refrangibility,...the formation or the presence of a definite chemical compound'9 Somewhat further on, in speaking of the spectrum of red fire and of the frequent occurrence...

...: 1 " The flame of sulphur and nitre contains a red ray which appears to me of a remarkable nature. This red ray appears to possess a definite refrangibility,...the formation or the presence of a definite chemical confound." Somewhat further on, in speaking of the spectrum of red fire and of the frequent occurrence...

...prism. If this should be admitted, I would further suggest, that whenever the prism shows a Iwmogemous ray of any colour to exist in a flame, this ray indicates...formation or the presence of a definite chemical compound" Somewhat further on, in speaking of the spectrum of red fire and of the frequent occurrence of the...

...: l " The flame of sulphur and nitre contains a red ray which appears to me of a remarkable nature. This red ray appears to possess a definite refrangibility,...or the presence of a definite chemical compound." Somewhat further on, in speaking of the spectrum of red fire and of the frequent occurrence of the...

...yellow ray is of the salts of soda. If this should be admitted, I would further suggest that ivhenever the prism shows a homogeneous ray of any colour to...or the presence of a definite chemical compound." Further on, speaking of the spectrum of red fire (such as is used in theatres and in fireworks), I...

...If this should be admitted, 1 would further suggest, that whenever the prism shows & homogeneous my of any colour to exist in a flame, this ray indicates...the formation or the presence of a definite chemical niwpoinul." Somewhat further on, in speaking of the spectrum of red fire and of the frequent occurrence...

...would further suggest, that whenever the prism shows a homogeneous my of any colour to exist in aflame, this ray indicates the formation or the presence of a definite chemical compound." Somewhat further on, in speaking of the spectrum of red fire and of the frequent occurrence of the...