114991-01
Lockyer, J. Norman.
On the chief line in the spektrum of the nebulae. SS. 167-198. - Und: Note on the spectrum of the nebula of Orion. SS. 198-199. - Und: Preliminary note on photographs of the spectrum of the nebula in Orion. SS. 199-201. In: Proceedings of the Royal Society. Vol. 48, No. 292.

(London, Harrison), 1890. - (21,5 x 13,5 cm). SS. 103-201. Mit teils ganzseitigen Abbildungen. Original-Broschur.

Erste Ausgabe. - "Lockyer (1836-1920), pioneer English astrophysicist. He made importent advances in the field of solar and stellar physics, and is responsible for naming the element helium, for emphasizing the two-branch theory of stellar evolution, and (jointly with Janssen) for the method of observing solar prominences without an eclipse" (Source Book in Astronomy). - Rücken etwas lädiert, sonst gut erhalten. - DSB 8, 440


130 €